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-rw-r--r--hw/9pfs/9p-util.h13
-rw-r--r--hw/9pfs/9p.c4
-rw-r--r--hw/9pfs/9p.h2
-rw-r--r--hw/9pfs/virtio-9p-device.c4
-rw-r--r--hw/9pfs/xen-9p-backend.c9
-rw-r--r--hw/acpi/Kconfig4
-rw-r--r--hw/acpi/Makefile.objs1
-rw-r--r--hw/acpi/aml-build.c2
-rw-r--r--hw/acpi/generic_event_device.c19
-rw-r--r--hw/acpi/ghes.c448
-rw-r--r--hw/acpi/ich9.c25
-rw-r--r--hw/acpi/nvdimm.c10
-rw-r--r--hw/acpi/pcihp.c9
-rw-r--r--hw/acpi/piix4.c15
-rw-r--r--hw/arm/allwinner-a10.c2
-rw-r--r--hw/arm/allwinner-h3.c12
-rw-r--r--hw/arm/armv7m.c2
-rw-r--r--hw/arm/aspeed.c82
-rw-r--r--hw/arm/aspeed_ast2600.c13
-rw-r--r--hw/arm/aspeed_soc.c13
-rw-r--r--hw/arm/bcm2835_peripherals.c28
-rw-r--r--hw/arm/bcm2836.c16
-rw-r--r--hw/arm/cubieboard.c3
-rw-r--r--hw/arm/mcimx6ul-evk.c2
-rw-r--r--hw/arm/mcimx7d-sabre.c2
-rw-r--r--hw/arm/msf2-soc.c3
-rw-r--r--hw/arm/nrf51_soc.c3
-rw-r--r--hw/arm/orangepi.c3
-rw-r--r--hw/arm/raspi.c3
-rw-r--r--hw/arm/sabrelite.c2
-rw-r--r--hw/arm/sbsa-ref.c5
-rw-r--r--hw/arm/vexpress.c10
-rw-r--r--hw/arm/virt-acpi-build.c15
-rw-r--r--hw/arm/virt.c61
-rw-r--r--hw/arm/xilinx_zynq.c2
-rw-r--r--hw/arm/xlnx-versal-virt.c6
-rw-r--r--hw/arm/xlnx-versal.c2
-rw-r--r--hw/arm/xlnx-zcu102.c10
-rw-r--r--hw/arm/xlnx-zynqmp.c9
-rw-r--r--hw/audio/intel-hda.c2
-rw-r--r--hw/audio/marvell_88w8618.c2
-rw-r--r--hw/audio/pcspk.c2
-rw-r--r--hw/block/fdc.c4
-rw-r--r--hw/block/nvme.c2
-rw-r--r--hw/block/pflash_cfi02.c2
-rw-r--r--hw/block/vhost-user-blk.c4
-rw-r--r--hw/block/virtio-blk.c4
-rw-r--r--hw/block/xen-block.c8
-rw-r--r--hw/char/serial-pci-multi.c2
-rw-r--r--hw/char/serial-pci.c2
-rw-r--r--hw/char/serial.c2
-rw-r--r--hw/char/virtio-console.c2
-rw-r--r--hw/char/virtio-serial-bus.c8
-rw-r--r--hw/core/bus.c26
-rw-r--r--hw/core/cpu.c2
-rw-r--r--hw/core/generic-loader.c2
-rw-r--r--hw/core/machine-qmp-cmds.c16
-rw-r--r--hw/core/machine.c87
-rw-r--r--hw/core/qdev-clock.c4
-rw-r--r--hw/core/qdev-properties.c11
-rw-r--r--hw/core/qdev.c74
-rw-r--r--hw/core/stream.c4
-rw-r--r--hw/cpu/core.c4
-rw-r--r--hw/display/artist.c2
-rw-r--r--hw/display/bochs-display.c3
-rw-r--r--hw/display/cg3.c2
-rw-r--r--hw/display/sm501.c4
-rw-r--r--hw/display/tcx.c4
-rw-r--r--hw/display/vga-isa.c2
-rw-r--r--hw/display/vga-pci.c4
-rw-r--r--hw/display/vhost-user-gpu-pci.c3
-rw-r--r--hw/display/vhost-user-gpu.c2
-rw-r--r--hw/display/vhost-user-vga.c3
-rw-r--r--hw/display/virtio-gpu-base.c2
-rw-r--r--hw/display/xlnx_dp.c7
-rw-r--r--hw/dma/rc4030.c2
-rw-r--r--hw/dma/sparc32_dma.c10
-rw-r--r--hw/dma/xilinx_axidma.c83
-rw-r--r--hw/dma/xlnx-zdma.c7
-rw-r--r--hw/gpio/aspeed_gpio.c2
-rw-r--r--hw/hyperv/hyperv.c2
-rw-r--r--hw/i2c/imx_i2c.c2
-rw-r--r--hw/i2c/mpc_i2c.c2
-rw-r--r--hw/i386/kvm/apic.c2
-rw-r--r--hw/i386/microvm.c29
-rw-r--r--hw/i386/pc.c18
-rw-r--r--hw/i386/pc_piix.c2
-rw-r--r--hw/i386/pc_q35.c4
-rw-r--r--hw/i386/pc_sysfw.c7
-rw-r--r--hw/i386/x86.c14
-rw-r--r--hw/ide/ahci-allwinner.c2
-rw-r--r--hw/ide/macio.c2
-rw-r--r--hw/ide/piix.c2
-rw-r--r--hw/ide/qdev.c6
-rw-r--r--hw/input/vhost-user-input.c2
-rw-r--r--hw/input/virtio-input-hid.c2
-rw-r--r--hw/input/virtio-input-host.c2
-rw-r--r--hw/input/virtio-input.c9
-rw-r--r--hw/intc/apic.c2
-rw-r--r--hw/intc/apic_common.c6
-rw-r--r--hw/intc/ioapic.c2
-rw-r--r--hw/intc/s390_flic.c4
-rw-r--r--hw/intc/xics.c4
-rw-r--r--hw/intc/xive.c2
-rw-r--r--hw/ipack/ipack.c6
-rw-r--r--hw/ipmi/ipmi.c3
-rw-r--r--hw/ipmi/smbus_ipmi.c2
-rw-r--r--hw/isa/isa-superio.c13
-rw-r--r--hw/isa/lpc_ich9.c8
-rw-r--r--hw/mem/nvdimm.c4
-rw-r--r--hw/mem/pc-dimm.c4
-rw-r--r--hw/microblaze/petalogix_ml605_mmu.c14
-rw-r--r--hw/misc/aspeed_sdmc.c2
-rw-r--r--hw/misc/edu.c3
-rw-r--r--hw/misc/mac_via.c4
-rw-r--r--hw/misc/macio/gpio.c2
-rw-r--r--hw/misc/macio/macio.c4
-rw-r--r--hw/misc/macio/pmu.c4
-rw-r--r--hw/misc/pca9552.c2
-rw-r--r--hw/misc/tmp105.c2
-rw-r--r--hw/misc/tmp421.c8
-rw-r--r--hw/net/cadence_gem.c3
-rw-r--r--hw/net/can/can_kvaser_pci.c2
-rw-r--r--hw/net/can/can_mioe3680_pci.c4
-rw-r--r--hw/net/can/can_pcm3680_pci.c4
-rw-r--r--hw/net/e1000.c3
-rw-r--r--hw/net/e1000e.c2
-rw-r--r--hw/net/eepro100.c2
-rw-r--r--hw/net/ftgmac100.c3
-rw-r--r--hw/net/imx_fec.c2
-rw-r--r--hw/net/lance.c2
-rw-r--r--hw/net/lasi_i82596.c2
-rw-r--r--hw/net/ne2000-isa.c2
-rw-r--r--hw/net/ne2000-pci.c2
-rw-r--r--hw/net/pcnet-pci.c2
-rw-r--r--hw/net/rtl8139.c2
-rw-r--r--hw/net/spapr_llan.c2
-rw-r--r--hw/net/sungem.c2
-rw-r--r--hw/net/sunhme.c2
-rw-r--r--hw/net/tulip.c2
-rw-r--r--hw/net/virtio-net.c6
-rw-r--r--hw/net/vmxnet3.c2
-rw-r--r--hw/net/xilinx_axienet.c79
-rw-r--r--hw/nios2/10m50_devboard.c3
-rw-r--r--hw/nubus/nubus-device.c2
-rw-r--r--hw/nvram/fw_cfg.c4
-rw-r--r--hw/nvram/mac_nvram.c2
-rw-r--r--hw/pci-host/bonito.c2
-rw-r--r--hw/pci-host/grackle.c2
-rw-r--r--hw/pci-host/i440fx.c12
-rw-r--r--hw/pci-host/pnv_phb3_msi.c3
-rw-r--r--hw/pci-host/pnv_phb3_pbcq.c3
-rw-r--r--hw/pci-host/q35.c20
-rw-r--r--hw/pci-host/sabre.c2
-rw-r--r--hw/pci-host/uninorth.c8
-rw-r--r--hw/pci/pci.c14
-rw-r--r--hw/pci/pcie.c2
-rw-r--r--hw/pci/shpc.c2
-rw-r--r--hw/pcmcia/pxa2xx.c2
-rw-r--r--hw/ppc/e500.c8
-rw-r--r--hw/ppc/mac_newworld.c7
-rw-r--r--hw/ppc/mac_oldworld.c2
-rw-r--r--hw/ppc/pnv.c16
-rw-r--r--hw/ppc/pnv_bmc.c5
-rw-r--r--hw/ppc/pnv_core.c4
-rw-r--r--hw/ppc/pnv_psi.c2
-rw-r--r--hw/ppc/prep.c6
-rw-r--r--hw/ppc/spapr.c61
-rw-r--r--hw/ppc/spapr_caps.c16
-rw-r--r--hw/ppc/spapr_cpu_core.c7
-rw-r--r--hw/ppc/spapr_drc.c36
-rw-r--r--hw/ppc/spapr_iommu.c4
-rw-r--r--hw/ppc/spapr_irq.c2
-rw-r--r--hw/ppc/spapr_pci.c98
-rw-r--r--hw/ppc/spapr_rng.c3
-rw-r--r--hw/ppc/spapr_rtc.c2
-rw-r--r--hw/ppc/spapr_tpm_proxy.c2
-rw-r--r--hw/riscv/sifive_u.c15
-rw-r--r--hw/riscv/virt.c5
-rw-r--r--hw/rtc/mc146818rtc.c4
-rw-r--r--hw/s390x/ap-bridge.c2
-rw-r--r--hw/s390x/css-bridge.c9
-rw-r--r--hw/s390x/event-facility.c6
-rw-r--r--hw/s390x/s390-ccw.c4
-rw-r--r--hw/s390x/s390-pci-bus.c4
-rw-r--r--hw/s390x/s390-skeys.c4
-rw-r--r--hw/s390x/s390-stattrib.c4
-rw-r--r--hw/s390x/s390-virtio-ccw.c19
-rw-r--r--hw/s390x/sclp.c7
-rw-r--r--hw/s390x/tod.c2
-rw-r--r--hw/s390x/virtio-ccw-balloon.c4
-rw-r--r--hw/s390x/virtio-ccw-blk.c2
-rw-r--r--hw/s390x/virtio-ccw-net.c2
-rw-r--r--hw/s390x/virtio-ccw.c8
-rw-r--r--hw/s390x/virtio-ccw.h2
-rw-r--r--hw/scsi/lsi53c895a.c2
-rw-r--r--hw/scsi/scsi-bus.c17
-rw-r--r--hw/scsi/scsi-disk.c2
-rw-r--r--hw/scsi/vhost-scsi.c4
-rw-r--r--hw/scsi/vhost-user-scsi.c4
-rw-r--r--hw/scsi/virtio-scsi.c2
-rw-r--r--hw/sd/sdhci-internal.h2
-rw-r--r--hw/sd/sdhci-pci.c2
-rw-r--r--hw/sd/sdhci.c6
-rw-r--r--hw/sh4/sh_pci.c2
-rw-r--r--hw/sparc/sun4m.c7
-rw-r--r--hw/sparc64/sun4u.c2
-rw-r--r--hw/ssi/xilinx_spips.c5
-rw-r--r--hw/usb/bus.c18
-rw-r--r--hw/usb/ccid-card-emulated.c2
-rw-r--r--hw/usb/ccid.h2
-rw-r--r--hw/usb/dev-audio.c2
-rw-r--r--hw/usb/dev-hid.c2
-rw-r--r--hw/usb/dev-hub.c2
-rw-r--r--hw/usb/dev-network.c4
-rw-r--r--hw/usb/dev-smartcard-reader.c11
-rw-r--r--hw/usb/dev-storage.c2
-rw-r--r--hw/usb/dev-uas.c2
-rw-r--r--hw/usb/dev-wacom.c2
-rw-r--r--hw/usb/hcd-ehci-pci.c2
-rw-r--r--hw/usb/hcd-ehci.c2
-rw-r--r--hw/usb/hcd-ehci.h2
-rw-r--r--hw/usb/host-libusb.c4
-rw-r--r--hw/usb/redirect.c4
-rw-r--r--hw/vfio/ap.c2
-rw-r--r--hw/vfio/ccw.c6
-rw-r--r--hw/vfio/pci-quirks.c6
-rw-r--r--hw/vfio/pci.c2
-rw-r--r--hw/virtio/vhost-scsi-pci.c2
-rw-r--r--hw/virtio/vhost-user-blk-pci.c2
-rw-r--r--hw/virtio/vhost-user-fs.c2
-rw-r--r--hw/virtio/vhost-user-input-pci.c3
-rw-r--r--hw/virtio/vhost-user-scsi-pci.c2
-rw-r--r--hw/virtio/vhost-vsock.c2
-rw-r--r--hw/virtio/virtio-balloon-pci.c4
-rw-r--r--hw/virtio/virtio-balloon.c6
-rw-r--r--hw/virtio/virtio-blk-pci.c2
-rw-r--r--hw/virtio/virtio-crypto.c2
-rw-r--r--hw/virtio/virtio-iommu.c2
-rw-r--r--hw/virtio/virtio-net-pci.c2
-rw-r--r--hw/virtio/virtio-pmem.c2
-rw-r--r--hw/virtio/virtio-rng.c4
-rw-r--r--hw/virtio/virtio.c11
-rw-r--r--hw/watchdog/wdt_diag288.c2
-rw-r--r--hw/xen/xen-bus.c12
-rw-r--r--hw/xen/xen-common.c5
-rw-r--r--hw/xen/xen-legacy-backend.c2
247 files changed, 1361 insertions, 949 deletions
diff --git a/hw/9pfs/9p-util.h b/hw/9pfs/9p-util.h
index 79ed6b233e..546f46dc7d 100644
--- a/hw/9pfs/9p-util.h
+++ b/hw/9pfs/9p-util.h
@@ -37,9 +37,22 @@ static inline int openat_file(int dirfd, const char *name, int flags,
 {
     int fd, serrno, ret;
 
+again:
     fd = openat(dirfd, name, flags | O_NOFOLLOW | O_NOCTTY | O_NONBLOCK,
                 mode);
     if (fd == -1) {
+        if (errno == EPERM && (flags & O_NOATIME)) {
+            /*
+             * The client passed O_NOATIME but we lack permissions to honor it.
+             * Rather than failing the open, fall back without O_NOATIME. This
+             * doesn't break the semantics on the client side, as the Linux
+             * open(2) man page notes that O_NOATIME "may not be effective on
+             * all filesystems". In particular, NFS and other network
+             * filesystems ignore it entirely.
+             */
+            flags &= ~O_NOATIME;
+            goto again;
+        }
         return -1;
     }
 
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index 9e046f7acb..a2a14b5979 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -4124,13 +4124,13 @@ int v9fs_device_realize_common(V9fsState *s, const V9fsTransport *t,
     rc = 0;
 out:
     if (rc) {
-        v9fs_device_unrealize_common(s, NULL);
+        v9fs_device_unrealize_common(s);
     }
     v9fs_path_free(&path);
     return rc;
 }
 
-void v9fs_device_unrealize_common(V9fsState *s, Error **errp)
+void v9fs_device_unrealize_common(V9fsState *s)
 {
     if (s->ops && s->ops->cleanup) {
         s->ops->cleanup(&s->ctx);
diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h
index b8f72a3bd9..dd1c6cb8d2 100644
--- a/hw/9pfs/9p.h
+++ b/hw/9pfs/9p.h
@@ -423,7 +423,7 @@ int v9fs_name_to_path(V9fsState *s, V9fsPath *dirpath,
                       const char *name, V9fsPath *path);
 int v9fs_device_realize_common(V9fsState *s, const V9fsTransport *t,
                                Error **errp);
-void v9fs_device_unrealize_common(V9fsState *s, Error **errp);
+void v9fs_device_unrealize_common(V9fsState *s);
 
 V9fsPDU *pdu_alloc(V9fsState *s);
 void pdu_free(V9fsPDU *pdu);
diff --git a/hw/9pfs/virtio-9p-device.c b/hw/9pfs/virtio-9p-device.c
index 536447a355..e5b44977c7 100644
--- a/hw/9pfs/virtio-9p-device.c
+++ b/hw/9pfs/virtio-9p-device.c
@@ -212,7 +212,7 @@ static void virtio_9p_device_realize(DeviceState *dev, Error **errp)
     v->vq = virtio_add_queue(vdev, MAX_REQ, handle_9p_output);
 }
 
-static void virtio_9p_device_unrealize(DeviceState *dev, Error **errp)
+static void virtio_9p_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     V9fsVirtioState *v = VIRTIO_9P(dev);
@@ -220,7 +220,7 @@ static void virtio_9p_device_unrealize(DeviceState *dev, Error **errp)
 
     virtio_delete_queue(v->vq);
     virtio_cleanup(vdev);
-    v9fs_device_unrealize_common(s, errp);
+    v9fs_device_unrealize_common(s);
 }
 
 /* virtio-9p device */
diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c
index 18fe5b7c92..f04caabfe5 100644
--- a/hw/9pfs/xen-9p-backend.c
+++ b/hw/9pfs/xen-9p-backend.c
@@ -137,7 +137,8 @@ static ssize_t xen_9pfs_pdu_vmarshal(V9fsPDU *pdu,
     ret = v9fs_iov_vmarshal(in_sg, num, offset, 0, fmt, ap);
     if (ret < 0) {
         xen_pv_printf(&xen_9pfs->xendev, 0,
-                      "Failed to encode VirtFS request type %d\n", pdu->id + 1);
+                      "Failed to encode VirtFS reply type %d\n",
+                      pdu->id + 1);
         xen_be_set_state(&xen_9pfs->xendev, XenbusStateClosing);
         xen_9pfs_disconnect(&xen_9pfs->xendev);
     }
@@ -201,9 +202,9 @@ static void xen_9pfs_init_in_iov_from_pdu(V9fsPDU *pdu,
 
     buf_size = iov_size(ring->sg, num);
     if (buf_size  < P9_IOHDRSZ) {
-        xen_pv_printf(&xen_9pfs->xendev, 0, "Xen 9pfs request type %d"
-                "needs %zu bytes, buffer has %zu, less than minimum\n",
-                pdu->id, *size, buf_size);
+        xen_pv_printf(&xen_9pfs->xendev, 0, "Xen 9pfs reply type %d needs "
+                      "%zu bytes, buffer has %zu, less than minimum\n",
+                      pdu->id + 1, *size, buf_size);
         xen_be_set_state(&xen_9pfs->xendev, XenbusStateClosing);
         xen_9pfs_disconnect(&xen_9pfs->xendev);
     }
diff --git a/hw/acpi/Kconfig b/hw/acpi/Kconfig
index 54209c6f2f..1932f66af8 100644
--- a/hw/acpi/Kconfig
+++ b/hw/acpi/Kconfig
@@ -28,6 +28,10 @@ config ACPI_HMAT
     bool
     depends on ACPI
 
+config ACPI_APEI
+    bool
+    depends on ACPI
+
 config ACPI_PCI
     bool
     depends on ACPI && PCI
diff --git a/hw/acpi/Makefile.objs b/hw/acpi/Makefile.objs
index cab9bcd457..72886c7965 100644
--- a/hw/acpi/Makefile.objs
+++ b/hw/acpi/Makefile.objs
@@ -8,6 +8,7 @@ common-obj-$(CONFIG_ACPI_NVDIMM) += nvdimm.o
 common-obj-$(CONFIG_ACPI_VMGENID) += vmgenid.o
 common-obj-$(CONFIG_ACPI_HW_REDUCED) += generic_event_device.o
 common-obj-$(CONFIG_ACPI_HMAT) += hmat.o
+common-obj-$(CONFIG_ACPI_APEI) += ghes.o
 common-obj-$(call lnot,$(CONFIG_ACPI_X86)) += acpi-stub.o
 common-obj-$(call lnot,$(CONFIG_PC)) += acpi-x86-stub.o
 
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 2c3702b882..3681ec6e3d 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1578,6 +1578,7 @@ void acpi_build_tables_init(AcpiBuildTables *tables)
     tables->table_data = g_array_new(false, true /* clear */, 1);
     tables->tcpalog = g_array_new(false, true /* clear */, 1);
     tables->vmgenid = g_array_new(false, true /* clear */, 1);
+    tables->hardware_errors = g_array_new(false, true /* clear */, 1);
     tables->linker = bios_linker_loader_init();
 }
 
@@ -1588,6 +1589,7 @@ void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre)
     g_array_free(tables->table_data, true);
     g_array_free(tables->tcpalog, mfre);
     g_array_free(tables->vmgenid, mfre);
+    g_array_free(tables->hardware_errors, mfre);
 }
 
 /*
diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
index 5d17f78a1e..b1cbdd86b6 100644
--- a/hw/acpi/generic_event_device.c
+++ b/hw/acpi/generic_event_device.c
@@ -247,6 +247,24 @@ static const VMStateDescription vmstate_ged_state = {
     }
 };
 
+static bool ghes_needed(void *opaque)
+{
+    AcpiGedState *s = opaque;
+    return s->ghes_state.ghes_addr_le;
+}
+
+static const VMStateDescription vmstate_ghes_state = {
+    .name = "acpi-ged/ghes",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = ghes_needed,
+    .fields      = (VMStateField[]) {
+        VMSTATE_STRUCT(ghes_state, AcpiGedState, 1,
+                       vmstate_ghes_state, AcpiGhesState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 static const VMStateDescription vmstate_acpi_ged = {
     .name = "acpi-ged",
     .version_id = 1,
@@ -257,6 +275,7 @@ static const VMStateDescription vmstate_acpi_ged = {
     },
     .subsections = (const VMStateDescription * []) {
         &vmstate_memhp_state,
+        &vmstate_ghes_state,
         NULL
     }
 };
diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c
new file mode 100644
index 0000000000..b363bc331d
--- /dev/null
+++ b/hw/acpi/ghes.c
@@ -0,0 +1,448 @@
+/*
+ * Support for generating APEI tables and recording CPER for Guests
+ *
+ * Copyright (c) 2020 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Author: Dongjiu Geng <gengdongjiu@huawei.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/units.h"
+#include "hw/acpi/ghes.h"
+#include "hw/acpi/aml-build.h"
+#include "qemu/error-report.h"
+#include "hw/acpi/generic_event_device.h"
+#include "hw/nvram/fw_cfg.h"
+#include "qemu/uuid.h"
+
+#define ACPI_GHES_ERRORS_FW_CFG_FILE        "etc/hardware_errors"
+#define ACPI_GHES_DATA_ADDR_FW_CFG_FILE     "etc/hardware_errors_addr"
+
+/* The max size in bytes for one error block */
+#define ACPI_GHES_MAX_RAW_DATA_LENGTH   (1 * KiB)
+
+/* Now only support ARMv8 SEA notification type error source */
+#define ACPI_GHES_ERROR_SOURCE_COUNT        1
+
+/* Generic Hardware Error Source version 2 */
+#define ACPI_GHES_SOURCE_GENERIC_ERROR_V2   10
+
+/* Address offset in Generic Address Structure(GAS) */
+#define GAS_ADDR_OFFSET 4
+
+/*
+ * The total size of Generic Error Data Entry
+ * ACPI 6.1/6.2: 18.3.2.7.1 Generic Error Data,
+ * Table 18-343 Generic Error Data Entry
+ */
+#define ACPI_GHES_DATA_LENGTH               72
+
+/* The memory section CPER size, UEFI 2.6: N.2.5 Memory Error Section */
+#define ACPI_GHES_MEM_CPER_LENGTH           80
+
+/* Masks for block_status flags */
+#define ACPI_GEBS_UNCORRECTABLE         1
+
+/*
+ * Total size for Generic Error Status Block except Generic Error Data Entries
+ * ACPI 6.2: 18.3.2.7.1 Generic Error Data,
+ * Table 18-380 Generic Error Status Block
+ */
+#define ACPI_GHES_GESB_SIZE                 20
+
+/*
+ * Values for error_severity field
+ */
+enum AcpiGenericErrorSeverity {
+    ACPI_CPER_SEV_RECOVERABLE = 0,
+    ACPI_CPER_SEV_FATAL = 1,
+    ACPI_CPER_SEV_CORRECTED = 2,
+    ACPI_CPER_SEV_NONE = 3,
+};
+
+/*
+ * Hardware Error Notification
+ * ACPI 4.0: 17.3.2.7 Hardware Error Notification
+ * Composes dummy Hardware Error Notification descriptor of specified type
+ */
+static void build_ghes_hw_error_notification(GArray *table, const uint8_t type)
+{
+    /* Type */
+    build_append_int_noprefix(table, type, 1);
+    /*
+     * Length:
+     * Total length of the structure in bytes
+     */
+    build_append_int_noprefix(table, 28, 1);
+    /* Configuration Write Enable */
+    build_append_int_noprefix(table, 0, 2);
+    /* Poll Interval */
+    build_append_int_noprefix(table, 0, 4);
+    /* Vector */
+    build_append_int_noprefix(table, 0, 4);
+    /* Switch To Polling Threshold Value */
+    build_append_int_noprefix(table, 0, 4);
+    /* Switch To Polling Threshold Window */
+    build_append_int_noprefix(table, 0, 4);
+    /* Error Threshold Value */
+    build_append_int_noprefix(table, 0, 4);
+    /* Error Threshold Window */
+    build_append_int_noprefix(table, 0, 4);
+}
+
+/*
+ * Generic Error Data Entry
+ * ACPI 6.1: 18.3.2.7.1 Generic Error Data
+ */
+static void acpi_ghes_generic_error_data(GArray *table,
+                const uint8_t *section_type, uint32_t error_severity,
+                uint8_t validation_bits, uint8_t flags,
+                uint32_t error_data_length, QemuUUID fru_id,
+                uint64_t time_stamp)
+{
+    const uint8_t fru_text[20] = {0};
+
+    /* Section Type */
+    g_array_append_vals(table, section_type, 16);
+
+    /* Error Severity */
+    build_append_int_noprefix(table, error_severity, 4);
+    /* Revision */
+    build_append_int_noprefix(table, 0x300, 2);
+    /* Validation Bits */
+    build_append_int_noprefix(table, validation_bits, 1);
+    /* Flags */
+    build_append_int_noprefix(table, flags, 1);
+    /* Error Data Length */
+    build_append_int_noprefix(table, error_data_length, 4);
+
+    /* FRU Id */
+    g_array_append_vals(table, fru_id.data, ARRAY_SIZE(fru_id.data));
+
+    /* FRU Text */
+    g_array_append_vals(table, fru_text, sizeof(fru_text));
+
+    /* Timestamp */
+    build_append_int_noprefix(table, time_stamp, 8);
+}
+
+/*
+ * Generic Error Status Block
+ * ACPI 6.1: 18.3.2.7.1 Generic Error Data
+ */
+static void acpi_ghes_generic_error_status(GArray *table, uint32_t block_status,
+                uint32_t raw_data_offset, uint32_t raw_data_length,
+                uint32_t data_length, uint32_t error_severity)
+{
+    /* Block Status */
+    build_append_int_noprefix(table, block_status, 4);
+    /* Raw Data Offset */
+    build_append_int_noprefix(table, raw_data_offset, 4);
+    /* Raw Data Length */
+    build_append_int_noprefix(table, raw_data_length, 4);
+    /* Data Length */
+    build_append_int_noprefix(table, data_length, 4);
+    /* Error Severity */
+    build_append_int_noprefix(table, error_severity, 4);
+}
+
+/* UEFI 2.6: N.2.5 Memory Error Section */
+static void acpi_ghes_build_append_mem_cper(GArray *table,
+                                            uint64_t error_physical_addr)
+{
+    /*
+     * Memory Error Record
+     */
+
+    /* Validation Bits */
+    build_append_int_noprefix(table,
+                              (1ULL << 14) | /* Type Valid */
+                              (1ULL << 1) /* Physical Address Valid */,
+                              8);
+    /* Error Status */
+    build_append_int_noprefix(table, 0, 8);
+    /* Physical Address */
+    build_append_int_noprefix(table, error_physical_addr, 8);
+    /* Skip all the detailed information normally found in such a record */
+    build_append_int_noprefix(table, 0, 48);
+    /* Memory Error Type */
+    build_append_int_noprefix(table, 0 /* Unknown error */, 1);
+    /* Skip all the detailed information normally found in such a record */
+    build_append_int_noprefix(table, 0, 7);
+}
+
+static int acpi_ghes_record_mem_error(uint64_t error_block_address,
+                                      uint64_t error_physical_addr)
+{
+    GArray *block;
+
+    /* Memory Error Section Type */
+    const uint8_t uefi_cper_mem_sec[] =
+          UUID_LE(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83, \
+                  0xED, 0x7C, 0x83, 0xB1);
+
+    /* invalid fru id: ACPI 4.0: 17.3.2.6.1 Generic Error Data,
+     * Table 17-13 Generic Error Data Entry
+     */
+    QemuUUID fru_id = {};
+    uint32_t data_length;
+
+    block = g_array_new(false, true /* clear */, 1);
+
+    /* This is the length if adding a new generic error data entry*/
+    data_length = ACPI_GHES_DATA_LENGTH + ACPI_GHES_MEM_CPER_LENGTH;
+
+    /*
+     * Check whether it will run out of the preallocated memory if adding a new
+     * generic error data entry
+     */
+    if ((data_length + ACPI_GHES_GESB_SIZE) > ACPI_GHES_MAX_RAW_DATA_LENGTH) {
+        error_report("Not enough memory to record new CPER!!!");
+        g_array_free(block, true);
+        return -1;
+    }
+
+    /* Build the new generic error status block header */
+    acpi_ghes_generic_error_status(block, ACPI_GEBS_UNCORRECTABLE,
+        0, 0, data_length, ACPI_CPER_SEV_RECOVERABLE);
+
+    /* Build this new generic error data entry header */
+    acpi_ghes_generic_error_data(block, uefi_cper_mem_sec,
+        ACPI_CPER_SEV_RECOVERABLE, 0, 0,
+        ACPI_GHES_MEM_CPER_LENGTH, fru_id, 0);
+
+    /* Build the memory section CPER for above new generic error data entry */
+    acpi_ghes_build_append_mem_cper(block, error_physical_addr);
+
+    /* Write the generic error data entry into guest memory */
+    cpu_physical_memory_write(error_block_address, block->data, block->len);
+
+    g_array_free(block, true);
+
+    return 0;
+}
+
+/*
+ * Build table for the hardware error fw_cfg blob.
+ * Initialize "etc/hardware_errors" and "etc/hardware_errors_addr" fw_cfg blobs.
+ * See docs/specs/acpi_hest_ghes.rst for blobs format.
+ */
+void build_ghes_error_table(GArray *hardware_errors, BIOSLinker *linker)
+{
+    int i, error_status_block_offset;
+
+    /* Build error_block_address */
+    for (i = 0; i < ACPI_GHES_ERROR_SOURCE_COUNT; i++) {
+        build_append_int_noprefix(hardware_errors, 0, sizeof(uint64_t));
+    }
+
+    /* Build read_ack_register */
+    for (i = 0; i < ACPI_GHES_ERROR_SOURCE_COUNT; i++) {
+        /*
+         * Initialize the value of read_ack_register to 1, so GHES can be
+         * writeable after (re)boot.
+         * ACPI 6.2: 18.3.2.8 Generic Hardware Error Source version 2
+         * (GHESv2 - Type 10)
+         */
+        build_append_int_noprefix(hardware_errors, 1, sizeof(uint64_t));
+    }
+
+    /* Generic Error Status Block offset in the hardware error fw_cfg blob */
+    error_status_block_offset = hardware_errors->len;
+
+    /* Reserve space for Error Status Data Block */
+    acpi_data_push(hardware_errors,
+        ACPI_GHES_MAX_RAW_DATA_LENGTH * ACPI_GHES_ERROR_SOURCE_COUNT);
+
+    /* Tell guest firmware to place hardware_errors blob into RAM */
+    bios_linker_loader_alloc(linker, ACPI_GHES_ERRORS_FW_CFG_FILE,
+                             hardware_errors, sizeof(uint64_t), false);
+
+    for (i = 0; i < ACPI_GHES_ERROR_SOURCE_COUNT; i++) {
+        /*
+         * Tell firmware to patch error_block_address entries to point to
+         * corresponding "Generic Error Status Block"
+         */
+        bios_linker_loader_add_pointer(linker,
+            ACPI_GHES_ERRORS_FW_CFG_FILE, sizeof(uint64_t) * i,
+            sizeof(uint64_t), ACPI_GHES_ERRORS_FW_CFG_FILE,
+            error_status_block_offset + i * ACPI_GHES_MAX_RAW_DATA_LENGTH);
+    }
+
+    /*
+     * tell firmware to write hardware_errors GPA into
+     * hardware_errors_addr fw_cfg, once the former has been initialized.
+     */
+    bios_linker_loader_write_pointer(linker, ACPI_GHES_DATA_ADDR_FW_CFG_FILE,
+        0, sizeof(uint64_t), ACPI_GHES_ERRORS_FW_CFG_FILE, 0);
+}
+
+/* Build Generic Hardware Error Source version 2 (GHESv2) */
+static void build_ghes_v2(GArray *table_data, int source_id, BIOSLinker *linker)
+{
+    uint64_t address_offset;
+    /*
+     * Type:
+     * Generic Hardware Error Source version 2(GHESv2 - Type 10)
+     */
+    build_append_int_noprefix(table_data, ACPI_GHES_SOURCE_GENERIC_ERROR_V2, 2);
+    /* Source Id */
+    build_append_int_noprefix(table_data, source_id, 2);
+    /* Related Source Id */
+    build_append_int_noprefix(table_data, 0xffff, 2);
+    /* Flags */
+    build_append_int_noprefix(table_data, 0, 1);
+    /* Enabled */
+    build_append_int_noprefix(table_data, 1, 1);
+
+    /* Number of Records To Pre-allocate */
+    build_append_int_noprefix(table_data, 1, 4);
+    /* Max Sections Per Record */
+    build_append_int_noprefix(table_data, 1, 4);
+    /* Max Raw Data Length */
+    build_append_int_noprefix(table_data, ACPI_GHES_MAX_RAW_DATA_LENGTH, 4);
+
+    address_offset = table_data->len;
+    /* Error Status Address */
+    build_append_gas(table_data, AML_AS_SYSTEM_MEMORY, 0x40, 0,
+                     4 /* QWord access */, 0);
+    bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE,
+        address_offset + GAS_ADDR_OFFSET, sizeof(uint64_t),
+        ACPI_GHES_ERRORS_FW_CFG_FILE, source_id * sizeof(uint64_t));
+
+    switch (source_id) {
+    case ACPI_HEST_SRC_ID_SEA:
+        /*
+         * Notification Structure
+         * Now only enable ARMv8 SEA notification type
+         */
+        build_ghes_hw_error_notification(table_data, ACPI_GHES_NOTIFY_SEA);
+        break;
+    default:
+        error_report("Not support this error source");
+        abort();
+    }
+
+    /* Error Status Block Length */
+    build_append_int_noprefix(table_data, ACPI_GHES_MAX_RAW_DATA_LENGTH, 4);
+
+    /*
+     * Read Ack Register
+     * ACPI 6.1: 18.3.2.8 Generic Hardware Error Source
+     * version 2 (GHESv2 - Type 10)
+     */
+    address_offset = table_data->len;
+    build_append_gas(table_data, AML_AS_SYSTEM_MEMORY, 0x40, 0,
+                     4 /* QWord access */, 0);
+    bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE,
+        address_offset + GAS_ADDR_OFFSET,
+        sizeof(uint64_t), ACPI_GHES_ERRORS_FW_CFG_FILE,
+        (ACPI_GHES_ERROR_SOURCE_COUNT + source_id) * sizeof(uint64_t));
+
+    /*
+     * Read Ack Preserve field
+     * We only provide the first bit in Read Ack Register to OSPM to write
+     * while the other bits are preserved.
+     */
+    build_append_int_noprefix(table_data, ~0x1ULL, 8);
+    /* Read Ack Write */
+    build_append_int_noprefix(table_data, 0x1, 8);
+}
+
+/* Build Hardware Error Source Table */
+void acpi_build_hest(GArray *table_data, BIOSLinker *linker)
+{
+    uint64_t hest_start = table_data->len;
+
+    /* Hardware Error Source Table header*/
+    acpi_data_push(table_data, sizeof(AcpiTableHeader));
+
+    /* Error Source Count */
+    build_append_int_noprefix(table_data, ACPI_GHES_ERROR_SOURCE_COUNT, 4);
+
+    build_ghes_v2(table_data, ACPI_HEST_SRC_ID_SEA, linker);
+
+    build_header(linker, table_data, (void *)(table_data->data + hest_start),
+        "HEST", table_data->len - hest_start, 1, NULL, NULL);
+}
+
+void acpi_ghes_add_fw_cfg(AcpiGhesState *ags, FWCfgState *s,
+                          GArray *hardware_error)
+{
+    /* Create a read-only fw_cfg file for GHES */
+    fw_cfg_add_file(s, ACPI_GHES_ERRORS_FW_CFG_FILE, hardware_error->data,
+                    hardware_error->len);
+
+    /* Create a read-write fw_cfg file for Address */
+    fw_cfg_add_file_callback(s, ACPI_GHES_DATA_ADDR_FW_CFG_FILE, NULL, NULL,
+        NULL, &(ags->ghes_addr_le), sizeof(ags->ghes_addr_le), false);
+}
+
+int acpi_ghes_record_errors(uint8_t source_id, uint64_t physical_address)
+{
+    uint64_t error_block_addr, read_ack_register_addr, read_ack_register = 0;
+    uint64_t start_addr;
+    bool ret = -1;
+    AcpiGedState *acpi_ged_state;
+    AcpiGhesState *ags;
+
+    assert(source_id < ACPI_HEST_SRC_ID_RESERVED);
+
+    acpi_ged_state = ACPI_GED(object_resolve_path_type("", TYPE_ACPI_GED,
+                                                       NULL));
+    g_assert(acpi_ged_state);
+    ags = &acpi_ged_state->ghes_state;
+
+    start_addr = le64_to_cpu(ags->ghes_addr_le);
+
+    if (physical_address) {
+
+        if (source_id < ACPI_HEST_SRC_ID_RESERVED) {
+            start_addr += source_id * sizeof(uint64_t);
+        }
+
+        cpu_physical_memory_read(start_addr, &error_block_addr,
+                                 sizeof(error_block_addr));
+
+        error_block_addr = le64_to_cpu(error_block_addr);
+
+        read_ack_register_addr = start_addr +
+            ACPI_GHES_ERROR_SOURCE_COUNT * sizeof(uint64_t);
+
+        cpu_physical_memory_read(read_ack_register_addr,
+                                 &read_ack_register, sizeof(read_ack_register));
+
+        /* zero means OSPM does not acknowledge the error */
+        if (!read_ack_register) {
+            error_report("OSPM does not acknowledge previous error,"
+                " so can not record CPER for current error anymore");
+        } else if (error_block_addr) {
+            read_ack_register = cpu_to_le64(0);
+            /*
+             * Clear the Read Ack Register, OSPM will write it to 1 when
+             * it acknowledges this error.
+             */
+            cpu_physical_memory_write(read_ack_register_addr,
+                &read_ack_register, sizeof(uint64_t));
+
+            ret = acpi_ghes_record_mem_error(error_block_addr,
+                                             physical_address);
+        } else
+            error_report("can not find Generic Error Status Block");
+    }
+
+    return ret;
+}
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index 336cacea41..2d204babc6 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -369,7 +369,7 @@ static void ich9_pm_set_enable_tco(Object *obj, bool value, Error **errp)
     s->pm.enable_tco = value;
 }
 
-void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm, Error **errp)
+void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm)
 {
     static const uint32_t gpe0_len = ICH9_PMIO_GPE0_LEN;
     pm->acpi_memory_hotplug.is_enabled = true;
@@ -379,32 +379,27 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm, Error **errp)
     pm->s4_val = 2;
 
     object_property_add_uint32_ptr(obj, ACPI_PM_PROP_PM_IO_BASE,
-                                   &pm->pm_io_base, OBJ_PROP_FLAG_READ, errp);
+                                   &pm->pm_io_base, OBJ_PROP_FLAG_READ);
     object_property_add(obj, ACPI_PM_PROP_GPE0_BLK, "uint32",
                         ich9_pm_get_gpe0_blk,
-                        NULL, NULL, pm, NULL);
+                        NULL, NULL, pm);
     object_property_add_uint32_ptr(obj, ACPI_PM_PROP_GPE0_BLK_LEN,
-                                   &gpe0_len, OBJ_PROP_FLAG_READ, errp);
+                                   &gpe0_len, OBJ_PROP_FLAG_READ);
     object_property_add_bool(obj, "memory-hotplug-support",
                              ich9_pm_get_memory_hotplug_support,
-                             ich9_pm_set_memory_hotplug_support,
-                             NULL);
+                             ich9_pm_set_memory_hotplug_support);
     object_property_add_bool(obj, "cpu-hotplug-legacy",
                              ich9_pm_get_cpu_hotplug_legacy,
-                             ich9_pm_set_cpu_hotplug_legacy,
-                             NULL);
+                             ich9_pm_set_cpu_hotplug_legacy);
     object_property_add_uint8_ptr(obj, ACPI_PM_PROP_S3_DISABLED,
-                                  &pm->disable_s3, OBJ_PROP_FLAG_READWRITE,
-                                  NULL);
+                                  &pm->disable_s3, OBJ_PROP_FLAG_READWRITE);
     object_property_add_uint8_ptr(obj, ACPI_PM_PROP_S4_DISABLED,
-                                  &pm->disable_s4, OBJ_PROP_FLAG_READWRITE,
-                                  NULL);
+                                  &pm->disable_s4, OBJ_PROP_FLAG_READWRITE);
     object_property_add_uint8_ptr(obj, ACPI_PM_PROP_S4_VAL,
-                                  &pm->s4_val, OBJ_PROP_FLAG_READWRITE, NULL);
+                                  &pm->s4_val, OBJ_PROP_FLAG_READWRITE);
     object_property_add_bool(obj, ACPI_PM_PROP_TCO_ENABLED,
                              ich9_pm_get_enable_tco,
-                             ich9_pm_set_enable_tco,
-                             NULL);
+                             ich9_pm_set_enable_tco);
 }
 
 void ich9_pm_device_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index fa7bf8b507..9316d12b70 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -27,6 +27,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/uuid.h"
 #include "hw/acpi/acpi.h"
 #include "hw/acpi/aml-build.h"
 #include "hw/acpi/bios-linker-loader.h"
@@ -34,18 +35,13 @@
 #include "hw/mem/nvdimm.h"
 #include "qemu/nvdimm-utils.h"
 
-#define NVDIMM_UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)             \
-   { (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
-     (b) & 0xff, ((b) >> 8) & 0xff, (c) & 0xff, ((c) >> 8) & 0xff,          \
-     (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }
-
 /*
  * define Byte Addressable Persistent Memory (PM) Region according to
  * ACPI 6.0: 5.2.25.1 System Physical Address Range Structure.
  */
 static const uint8_t nvdimm_nfit_spa_uuid[] =
-      NVDIMM_UUID_LE(0x66f0d379, 0xb4f3, 0x4074, 0xac, 0x43, 0x0d, 0x33,
-                     0x18, 0xb7, 0x8c, 0xdb);
+      UUID_LE(0x66f0d379, 0xb4f3, 0x4074, 0xac, 0x43, 0x0d, 0x33,
+              0x18, 0xb7, 0x8c, 0xdb);
 
 /*
  * NVDIMM Firmware Interface Table
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index 0dc963e983..d42906ea19 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -80,8 +80,7 @@ static void *acpi_set_bsel(PCIBus *bus, void *opaque)
 
         *bus_bsel = (*bsel_alloc)++;
         object_property_add_uint32_ptr(OBJECT(bus), ACPI_PCIHP_PROP_BSEL,
-                                       bus_bsel, OBJ_PROP_FLAG_READ,
-                                       &error_abort);
+                                       bus_bsel, OBJ_PROP_FLAG_READ);
     }
 
     return bsel_alloc;
@@ -267,7 +266,7 @@ void acpi_pcihp_device_unplug_cb(HotplugHandler *hotplug_dev, AcpiPciHpState *s,
 {
     trace_acpi_pci_unplug(PCI_SLOT(PCI_DEVICE(dev)->devfn),
                           acpi_pcihp_get_bsel(pci_get_bus(PCI_DEVICE(dev))));
-    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
 }
 
 void acpi_pcihp_device_unplug_request_cb(HotplugHandler *hotplug_dev,
@@ -374,9 +373,9 @@ void acpi_pcihp_init(Object *owner, AcpiPciHpState *s, PCIBus *root_bus,
     memory_region_add_subregion(address_space_io, s->io_base, &s->io);
 
     object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_BASE_PROP, &s->io_base,
-                                   OBJ_PROP_FLAG_READ, &error_abort);
+                                   OBJ_PROP_FLAG_READ);
     object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_LEN_PROP, &s->io_len,
-                                   OBJ_PROP_FLAG_READ, &error_abort);
+                                   OBJ_PROP_FLAG_READ);
 }
 
 const VMStateDescription vmstate_acpi_pcihp_pci_status = {
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 964d6f5990..85c199b30d 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -444,17 +444,17 @@ static void piix4_pm_add_propeties(PIIX4PMState *s)
     static const uint16_t sci_int = 9;
 
     object_property_add_uint8_ptr(OBJECT(s), ACPI_PM_PROP_ACPI_ENABLE_CMD,
-                                  &acpi_enable_cmd, OBJ_PROP_FLAG_READ, NULL);
+                                  &acpi_enable_cmd, OBJ_PROP_FLAG_READ);
     object_property_add_uint8_ptr(OBJECT(s), ACPI_PM_PROP_ACPI_DISABLE_CMD,
-                                  &acpi_disable_cmd, OBJ_PROP_FLAG_READ, NULL);
+                                  &acpi_disable_cmd, OBJ_PROP_FLAG_READ);
     object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_GPE0_BLK,
-                                  &gpe0_blk, OBJ_PROP_FLAG_READ, NULL);
+                                  &gpe0_blk, OBJ_PROP_FLAG_READ);
     object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_GPE0_BLK_LEN,
-                                  &gpe0_blk_len, OBJ_PROP_FLAG_READ, NULL);
+                                  &gpe0_blk_len, OBJ_PROP_FLAG_READ);
     object_property_add_uint16_ptr(OBJECT(s), ACPI_PM_PROP_SCI_INT,
-                                  &sci_int, OBJ_PROP_FLAG_READ, NULL);
+                                  &sci_int, OBJ_PROP_FLAG_READ);
     object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_PM_IO_BASE,
-                                  &s->io_base, OBJ_PROP_FLAG_READ, NULL);
+                                  &s->io_base, OBJ_PROP_FLAG_READ);
 }
 
 static void piix4_pm_realize(PCIDevice *dev, Error **errp)
@@ -598,8 +598,7 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
     s->cpu_hotplug_legacy = true;
     object_property_add_bool(OBJECT(s), "cpu-hotplug-legacy",
                              piix4_get_cpu_hotplug_legacy,
-                             piix4_set_cpu_hotplug_legacy,
-                             NULL);
+                             piix4_set_cpu_hotplug_legacy);
     legacy_acpi_cpu_hotplug_init(parent, OBJECT(s), &s->gpe_cpu,
                                  PIIX4_CPU_HOTPLUG_IO_BASE);
 
diff --git a/hw/arm/allwinner-a10.c b/hw/arm/allwinner-a10.c
index 62a67a3e1a..6e1329a4a2 100644
--- a/hw/arm/allwinner-a10.c
+++ b/hw/arm/allwinner-a10.c
@@ -178,7 +178,7 @@ static void aw_a10_realize(DeviceState *dev, Error **errp)
     sysbus_mmio_map(SYS_BUS_DEVICE(&s->mmc0), 0, AW_A10_MMC0_BASE);
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mmc0), 0, qdev_get_gpio_in(dev, 32));
     object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->mmc0),
-                              "sd-bus", &error_abort);
+                              "sd-bus");
 
     /* RTC */
     qdev_init_nofail(DEVICE(&s->rtc));
diff --git a/hw/arm/allwinner-h3.c b/hw/arm/allwinner-h3.c
index 9e4ce36093..f10674da5a 100644
--- a/hw/arm/allwinner-h3.c
+++ b/hw/arm/allwinner-h3.c
@@ -205,9 +205,9 @@ static void allwinner_h3_init(Object *obj)
     sysbus_init_child_obj(obj, "timer", &s->timer, sizeof(s->timer),
                           TYPE_AW_A10_PIT);
     object_property_add_alias(obj, "clk0-freq", OBJECT(&s->timer),
-                              "clk0-freq", &error_abort);
+                              "clk0-freq");
     object_property_add_alias(obj, "clk1-freq", OBJECT(&s->timer),
-                              "clk1-freq", &error_abort);
+                              "clk1-freq");
 
     sysbus_init_child_obj(obj, "ccu", &s->ccu, sizeof(s->ccu),
                           TYPE_AW_H3_CCU);
@@ -221,7 +221,7 @@ static void allwinner_h3_init(Object *obj)
     sysbus_init_child_obj(obj, "sid", &s->sid, sizeof(s->sid),
                           TYPE_AW_SID);
     object_property_add_alias(obj, "identifier", OBJECT(&s->sid),
-                              "identifier", &error_abort);
+                              "identifier");
 
     sysbus_init_child_obj(obj, "mmc0", &s->mmc0, sizeof(s->mmc0),
                           TYPE_AW_SDHOST_SUN5I);
@@ -232,9 +232,9 @@ static void allwinner_h3_init(Object *obj)
     sysbus_init_child_obj(obj, "dramc", &s->dramc, sizeof(s->dramc),
                           TYPE_AW_H3_DRAMC);
     object_property_add_alias(obj, "ram-addr", OBJECT(&s->dramc),
-                             "ram-addr", &error_abort);
+                             "ram-addr");
     object_property_add_alias(obj, "ram-size", OBJECT(&s->dramc),
-                              "ram-size", &error_abort);
+                              "ram-size");
 
     sysbus_init_child_obj(obj, "rtc", &s->rtc, sizeof(s->rtc),
                           TYPE_AW_RTC_SUN6I);
@@ -366,7 +366,7 @@ static void allwinner_h3_realize(DeviceState *dev, Error **errp)
                        qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_MMC0));
 
     object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->mmc0),
-                              "sd-bus", &error_abort);
+                              "sd-bus");
 
     /* EMAC */
     if (nd_table[0].used) {
diff --git a/hw/arm/armv7m.c b/hw/arm/armv7m.c
index 7531b97ccd..7da57f56d3 100644
--- a/hw/arm/armv7m.c
+++ b/hw/arm/armv7m.c
@@ -138,7 +138,7 @@ static void armv7m_instance_init(Object *obj)
 
     sysbus_init_child_obj(obj, "nvnic", &s->nvic, sizeof(s->nvic), TYPE_NVIC);
     object_property_add_alias(obj, "num-irq",
-                              OBJECT(&s->nvic), "num-irq", &error_abort);
+                              OBJECT(&s->nvic), "num-irq");
 
     for (i = 0; i < ARRAY_SIZE(s->bitband); i++) {
         sysbus_init_child_obj(obj, "bitband[*]", &s->bitband[i],
diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
index 1eacb2fc17..2c23297edf 100644
--- a/hw/arm/aspeed.c
+++ b/hw/arm/aspeed.c
@@ -73,6 +73,21 @@ struct AspeedBoardState {
         SCU_AST2500_HW_STRAP_ACPI_ENABLE |                              \
         SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER))
 
+/* Sonorapass hardware value: 0xF100D216 */
+#define SONORAPASS_BMC_HW_STRAP1 (                                      \
+        SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE |                     \
+        SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE |                        \
+        SCU_AST2500_HW_STRAP_UART_DEBUG |                               \
+        SCU_AST2500_HW_STRAP_RESERVED28 |                               \
+        SCU_AST2500_HW_STRAP_DDR4_ENABLE |                              \
+        SCU_HW_STRAP_VGA_CLASS_CODE |                                   \
+        SCU_HW_STRAP_LPC_RESET_PIN |                                    \
+        SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER) |                \
+        SCU_AST2500_HW_STRAP_SET_AXI_AHB_RATIO(AXI_AHB_RATIO_2_1) |     \
+        SCU_HW_STRAP_VGA_BIOS_ROM |                                     \
+        SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) |                       \
+        SCU_AST2500_HW_STRAP_RESERVED1)
+
 /* Swift hardware value: 0xF11AD206 */
 #define SWIFT_BMC_HW_STRAP1 (                                           \
         AST2500_HW_STRAP1_DEFAULTS |                                    \
@@ -437,6 +452,50 @@ static void swift_bmc_i2c_init(AspeedBoardState *bmc)
     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 12), "tmp105", 0x4a);
 }
 
+static void sonorapass_bmc_i2c_init(AspeedBoardState *bmc)
+{
+    AspeedSoCState *soc = &bmc->soc;
+
+    /* bus 2 : */
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 2), "tmp105", 0x48);
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 2), "tmp105", 0x49);
+    /* bus 2 : pca9546 @ 0x73 */
+
+    /* bus 3 : pca9548 @ 0x70 */
+
+    /* bus 4 : */
+    uint8_t *eeprom4_54 = g_malloc0(8 * 1024);
+    smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), 0x54,
+                          eeprom4_54);
+    /* PCA9539 @ 0x76, but PCA9552 is compatible */
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), "pca9552", 0x76);
+    /* PCA9539 @ 0x77, but PCA9552 is compatible */
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), "pca9552", 0x77);
+
+    /* bus 6 : */
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 6), "tmp105", 0x48);
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 6), "tmp105", 0x49);
+    /* bus 6 : pca9546 @ 0x73 */
+
+    /* bus 8 : */
+    uint8_t *eeprom8_56 = g_malloc0(8 * 1024);
+    smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 8), 0x56,
+                          eeprom8_56);
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 8), "pca9552", 0x60);
+    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 8), "pca9552", 0x61);
+    /* bus 8 : adc128d818 @ 0x1d */
+    /* bus 8 : adc128d818 @ 0x1f */
+
+    /*
+     * bus 13 : pca9548 @ 0x71
+     *      - channel 3:
+     *          - tmm421 @ 0x4c
+     *          - tmp421 @ 0x4e
+     *          - tmp421 @ 0x4f
+     */
+
+}
+
 static void witherspoon_bmc_i2c_init(AspeedBoardState *bmc)
 {
     AspeedSoCState *soc = &bmc->soc;
@@ -485,9 +544,9 @@ static void aspeed_machine_class_props_init(ObjectClass *oc)
 {
     object_class_property_add_bool(oc, "execute-in-place",
                                    aspeed_get_mmio_exec,
-                                   aspeed_set_mmio_exec, &error_abort);
+                                   aspeed_set_mmio_exec);
     object_class_property_set_description(oc, "execute-in-place",
-                           "boot directly from CE0 flash device", &error_abort);
+                           "boot directly from CE0 flash device");
 }
 
 static void aspeed_machine_class_init(ObjectClass *oc, void *data)
@@ -549,6 +608,21 @@ static void aspeed_machine_romulus_class_init(ObjectClass *oc, void *data)
     mc->default_ram_size       = 512 * MiB;
 };
 
+static void aspeed_machine_sonorapass_class_init(ObjectClass *oc, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+    AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
+
+    mc->desc       = "OCP SonoraPass BMC (ARM1176)";
+    amc->soc_name  = "ast2500-a1";
+    amc->hw_strap1 = SONORAPASS_BMC_HW_STRAP1;
+    amc->fmc_model = "mx66l1g45g";
+    amc->spi_model = "mx66l1g45g";
+    amc->num_cs    = 2;
+    amc->i2c_init  = sonorapass_bmc_i2c_init;
+    mc->default_ram_size       = 512 * MiB;
+};
+
 static void aspeed_machine_swift_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
@@ -629,6 +703,10 @@ static const TypeInfo aspeed_machine_types[] = {
         .parent        = TYPE_ASPEED_MACHINE,
         .class_init    = aspeed_machine_swift_class_init,
     }, {
+        .name          = MACHINE_TYPE_NAME("sonorapass-bmc"),
+        .parent        = TYPE_ASPEED_MACHINE,
+        .class_init    = aspeed_machine_sonorapass_class_init,
+    }, {
         .name          = MACHINE_TYPE_NAME("witherspoon-bmc"),
         .parent        = TYPE_ASPEED_MACHINE,
         .class_init    = aspeed_machine_witherspoon_class_init,
diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c
index c6e0ab84ac..71a0acfe26 100644
--- a/hw/arm/aspeed_ast2600.c
+++ b/hw/arm/aspeed_ast2600.c
@@ -138,11 +138,11 @@ static void aspeed_soc_ast2600_init(Object *obj)
     qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
                          sc->silicon_rev);
     object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
-                              "hw-strap1", &error_abort);
+                              "hw-strap1");
     object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
-                              "hw-strap2", &error_abort);
+                              "hw-strap2");
     object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
-                              "hw-prot-key", &error_abort);
+                              "hw-prot-key");
 
     sysbus_init_child_obj(obj, "a7mpcore", &s->a7mpcore,
                           sizeof(s->a7mpcore), TYPE_A15MPCORE_PRIV);
@@ -161,8 +161,7 @@ static void aspeed_soc_ast2600_init(Object *obj)
     snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
     sysbus_init_child_obj(obj, "fmc", OBJECT(&s->fmc), sizeof(s->fmc),
                           typename);
-    object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs",
-                              &error_abort);
+    object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs");
 
     for (i = 0; i < sc->spis_num; i++) {
         snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i + 1, socname);
@@ -179,9 +178,9 @@ static void aspeed_soc_ast2600_init(Object *obj)
     sysbus_init_child_obj(obj, "sdmc", OBJECT(&s->sdmc), sizeof(s->sdmc),
                           typename);
     object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
-                              "ram-size", &error_abort);
+                              "ram-size");
     object_property_add_alias(obj, "max-ram-size", OBJECT(&s->sdmc),
-                              "max-ram-size", &error_abort);
+                              "max-ram-size");
 
     for (i = 0; i < sc->wdts_num; i++) {
         snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c
index 696c7fda14..cf6b6dd116 100644
--- a/hw/arm/aspeed_soc.c
+++ b/hw/arm/aspeed_soc.c
@@ -153,11 +153,11 @@ static void aspeed_soc_init(Object *obj)
     qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
                          sc->silicon_rev);
     object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
-                              "hw-strap1", &error_abort);
+                              "hw-strap1");
     object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
-                              "hw-strap2", &error_abort);
+                              "hw-strap2");
     object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
-                              "hw-prot-key", &error_abort);
+                              "hw-prot-key");
 
     sysbus_init_child_obj(obj, "vic", OBJECT(&s->vic), sizeof(s->vic),
                           TYPE_ASPEED_VIC);
@@ -176,8 +176,7 @@ static void aspeed_soc_init(Object *obj)
     snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
     sysbus_init_child_obj(obj, "fmc", OBJECT(&s->fmc), sizeof(s->fmc),
                           typename);
-    object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs",
-                              &error_abort);
+    object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs");
 
     for (i = 0; i < sc->spis_num; i++) {
         snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i + 1, socname);
@@ -194,9 +193,9 @@ static void aspeed_soc_init(Object *obj)
     sysbus_init_child_obj(obj, "sdmc", OBJECT(&s->sdmc), sizeof(s->sdmc),
                           typename);
     object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
-                              "ram-size", &error_abort);
+                              "ram-size");
     object_property_add_alias(obj, "max-ram-size", OBJECT(&s->sdmc),
-                              "max-ram-size", &error_abort);
+                              "max-ram-size");
 
     for (i = 0; i < sc->wdts_num; i++) {
         snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
diff --git a/hw/arm/bcm2835_peripherals.c b/hw/arm/bcm2835_peripherals.c
index edcaa4916d..f1bcc14f55 100644
--- a/hw/arm/bcm2835_peripherals.c
+++ b/hw/arm/bcm2835_peripherals.c
@@ -43,12 +43,10 @@ static void bcm2835_peripherals_init(Object *obj)
 
     /* Memory region for peripheral devices, which we export to our parent */
     memory_region_init(&s->peri_mr, obj,"bcm2835-peripherals", 0x1000000);
-    object_property_add_child(obj, "peripheral-io", OBJECT(&s->peri_mr), NULL);
     sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->peri_mr);
 
     /* Internal memory region for peripheral bus addresses (not exported) */
     memory_region_init(&s->gpu_bus_mr, obj, "bcm2835-gpu", (uint64_t)1 << 32);
-    object_property_add_child(obj, "gpu-bus", OBJECT(&s->gpu_bus_mr), NULL);
 
     /* Internal memory region for request/response communication with
      * mailbox-addressable peripherals (not exported)
@@ -76,26 +74,25 @@ static void bcm2835_peripherals_init(Object *obj)
                           TYPE_BCM2835_MBOX);
 
     object_property_add_const_link(OBJECT(&s->mboxes), "mbox-mr",
-                                   OBJECT(&s->mbox_mr), &error_abort);
+                                   OBJECT(&s->mbox_mr));
 
     /* Framebuffer */
     sysbus_init_child_obj(obj, "fb", &s->fb, sizeof(s->fb), TYPE_BCM2835_FB);
-    object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size",
-                              &error_abort);
+    object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size");
 
     object_property_add_const_link(OBJECT(&s->fb), "dma-mr",
-                                   OBJECT(&s->gpu_bus_mr), &error_abort);
+                                   OBJECT(&s->gpu_bus_mr));
 
     /* Property channel */
     sysbus_init_child_obj(obj, "property", &s->property, sizeof(s->property),
                           TYPE_BCM2835_PROPERTY);
     object_property_add_alias(obj, "board-rev", OBJECT(&s->property),
-                              "board-rev", &error_abort);
+                              "board-rev");
 
     object_property_add_const_link(OBJECT(&s->property), "fb",
-                                   OBJECT(&s->fb), &error_abort);
+                                   OBJECT(&s->fb));
     object_property_add_const_link(OBJECT(&s->property), "dma-mr",
-                                   OBJECT(&s->gpu_bus_mr), &error_abort);
+                                   OBJECT(&s->gpu_bus_mr));
 
     /* Random Number Generator */
     sysbus_init_child_obj(obj, "rng", &s->rng, sizeof(s->rng),
@@ -114,7 +111,7 @@ static void bcm2835_peripherals_init(Object *obj)
                           TYPE_BCM2835_DMA);
 
     object_property_add_const_link(OBJECT(&s->dma), "dma-mr",
-                                   OBJECT(&s->gpu_bus_mr), &error_abort);
+                                   OBJECT(&s->gpu_bus_mr));
 
     /* Thermal */
     sysbus_init_child_obj(obj, "thermal", &s->thermal, sizeof(s->thermal),
@@ -125,9 +122,9 @@ static void bcm2835_peripherals_init(Object *obj)
                           TYPE_BCM2835_GPIO);
 
     object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhci",
-                                   OBJECT(&s->sdhci.sdbus), &error_abort);
+                                   OBJECT(&s->sdhci.sdbus));
     object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhost",
-                                   OBJECT(&s->sdhost.sdbus), &error_abort);
+                                   OBJECT(&s->sdhost.sdbus));
 }
 
 static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
@@ -361,12 +358,7 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
     memory_region_add_subregion(&s->peri_mr, GPIO_OFFSET,
                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0));
 
-    object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus",
-                              &err);
-    if (err) {
-        error_propagate(errp, err);
-        return;
-    }
+    object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus");
 
     create_unimp(s, &s->armtmr, "bcm2835-sp804", ARMCTRL_TIMER0_1_OFFSET, 0x40);
     create_unimp(s, &s->cprman, "bcm2835-cprman", CPRMAN_OFFSET, 0x1000);
diff --git a/hw/arm/bcm2836.c b/hw/arm/bcm2836.c
index 43022b83f5..e51b4e0c43 100644
--- a/hw/arm/bcm2836.c
+++ b/hw/arm/bcm2836.c
@@ -63,9 +63,9 @@ static void bcm2836_init(Object *obj)
     sysbus_init_child_obj(obj, "peripherals", &s->peripherals,
                           sizeof(s->peripherals), TYPE_BCM2835_PERIPHERALS);
     object_property_add_alias(obj, "board-rev", OBJECT(&s->peripherals),
-                              "board-rev", &error_abort);
+                              "board-rev");
     object_property_add_alias(obj, "vcram-size", OBJECT(&s->peripherals),
-                              "vcram-size", &error_abort);
+                              "vcram-size");
 }
 
 static void bcm2836_realize(DeviceState *dev, Error **errp)
@@ -86,11 +86,7 @@ static void bcm2836_realize(DeviceState *dev, Error **errp)
         return;
     }
 
-    object_property_add_const_link(OBJECT(&s->peripherals), "ram", obj, &err);
-    if (err) {
-        error_propagate(errp, err);
-        return;
-    }
+    object_property_add_const_link(OBJECT(&s->peripherals), "ram", obj);
 
     object_property_set_bool(OBJECT(&s->peripherals), true, "realized", &err);
     if (err) {
@@ -99,11 +95,7 @@ static void bcm2836_realize(DeviceState *dev, Error **errp)
     }
 
     object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->peripherals),
-                              "sd-bus", &err);
-    if (err) {
-        error_propagate(errp, err);
-        return;
-    }
+                              "sd-bus");
 
     sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->peripherals), 0,
                             info->peri_base, 1);
diff --git a/hw/arm/cubieboard.c b/hw/arm/cubieboard.c
index 0b8ba44976..cd1b6d3e19 100644
--- a/hw/arm/cubieboard.c
+++ b/hw/arm/cubieboard.c
@@ -59,8 +59,7 @@ static void cubieboard_init(MachineState *machine)
     }
 
     a10 = AW_A10(object_new(TYPE_AW_A10));
-    object_property_add_child(OBJECT(machine), "soc", OBJECT(a10),
-                              &error_abort);
+    object_property_add_child(OBJECT(machine), "soc", OBJECT(a10));
     object_unref(OBJECT(a10));
 
     object_property_set_int(OBJECT(&a10->emac), 1, "phy-addr", &err);
diff --git a/hw/arm/mcimx6ul-evk.c b/hw/arm/mcimx6ul-evk.c
index 23a71ed378..5b5f23a6d4 100644
--- a/hw/arm/mcimx6ul-evk.c
+++ b/hw/arm/mcimx6ul-evk.c
@@ -39,7 +39,7 @@ static void mcimx6ul_evk_init(MachineState *machine)
     };
 
     s = FSL_IMX6UL(object_new(TYPE_FSL_IMX6UL));
-    object_property_add_child(OBJECT(machine), "soc", OBJECT(s), &error_fatal);
+    object_property_add_child(OBJECT(machine), "soc", OBJECT(s));
     object_property_set_bool(OBJECT(s), true, "realized", &error_fatal);
 
     memory_region_add_subregion(get_system_memory(), FSL_IMX6UL_MMDC_ADDR,
diff --git a/hw/arm/mcimx7d-sabre.c b/hw/arm/mcimx7d-sabre.c
index de1e264217..3851cd9e3e 100644
--- a/hw/arm/mcimx7d-sabre.c
+++ b/hw/arm/mcimx7d-sabre.c
@@ -41,7 +41,7 @@ static void mcimx7d_sabre_init(MachineState *machine)
     };
 
     s = FSL_IMX7(object_new(TYPE_FSL_IMX7));
-    object_property_add_child(OBJECT(machine), "soc", OBJECT(s), &error_fatal);
+    object_property_add_child(OBJECT(machine), "soc", OBJECT(s));
     object_property_set_bool(OBJECT(s), true, "realized", &error_fatal);
 
     memory_region_add_subregion(get_system_memory(), FSL_IMX7_MMDC_ADDR,
diff --git a/hw/arm/msf2-soc.c b/hw/arm/msf2-soc.c
index a455b8831f..f4579e5a08 100644
--- a/hw/arm/msf2-soc.c
+++ b/hw/arm/msf2-soc.c
@@ -197,8 +197,7 @@ static void m2sxxx_soc_realize(DeviceState *dev_soc, Error **errp)
         /* Alias controller SPI bus to the SoC itself */
         bus_name = g_strdup_printf("spi%d", i);
         object_property_add_alias(OBJECT(s), bus_name,
-                                  OBJECT(&s->spi[i]), "spi",
-                                  &error_abort);
+                                  OBJECT(&s->spi[i]), "spi");
         g_free(bus_name);
     }
 
diff --git a/hw/arm/nrf51_soc.c b/hw/arm/nrf51_soc.c
index 71309e53cc..fe126581e4 100644
--- a/hw/arm/nrf51_soc.c
+++ b/hw/arm/nrf51_soc.c
@@ -197,8 +197,7 @@ static void nrf51_soc_init(Object *obj)
 
     sysbus_init_child_obj(obj, "uart", &s->uart, sizeof(s->uart),
                            TYPE_NRF51_UART);
-    object_property_add_alias(obj, "serial0", OBJECT(&s->uart), "chardev",
-                              &error_abort);
+    object_property_add_alias(obj, "serial0", OBJECT(&s->uart), "chardev");
 
     sysbus_init_child_obj(obj, "rng", &s->rng, sizeof(s->rng),
                            TYPE_NRF51_RNG);
diff --git a/hw/arm/orangepi.c b/hw/arm/orangepi.c
index a9f64c5680..b291715f27 100644
--- a/hw/arm/orangepi.c
+++ b/hw/arm/orangepi.c
@@ -59,8 +59,7 @@ static void orangepi_init(MachineState *machine)
     }
 
     h3 = AW_H3(object_new(TYPE_AW_H3));
-    object_property_add_child(OBJECT(machine), "soc", OBJECT(h3),
-                              &error_abort);
+    object_property_add_child(OBJECT(machine), "soc", OBJECT(h3));
     object_unref(OBJECT(h3));
 
     /* Setup timer properties */
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index fe3b9bc78b..a2efe0b94d 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -284,8 +284,7 @@ static void raspi_machine_init(MachineState *machine)
     /* Setup the SOC */
     object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
                             board_soc_type(board_rev), &error_abort, NULL);
-    object_property_add_const_link(OBJECT(&s->soc), "ram", OBJECT(machine->ram),
-                                   &error_abort);
+    object_property_add_const_link(OBJECT(&s->soc), "ram", OBJECT(machine->ram));
     object_property_set_int(OBJECT(&s->soc), board_rev, "board-rev",
                             &error_abort);
     object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_abort);
diff --git a/hw/arm/sabrelite.c b/hw/arm/sabrelite.c
index e31694bb92..6f0e233d77 100644
--- a/hw/arm/sabrelite.c
+++ b/hw/arm/sabrelite.c
@@ -51,7 +51,7 @@ static void sabrelite_init(MachineState *machine)
     }
 
     s = FSL_IMX6(object_new(TYPE_FSL_IMX6));
-    object_property_add_child(OBJECT(machine), "soc", OBJECT(s), &error_fatal);
+    object_property_add_child(OBJECT(machine), "soc", OBJECT(s));
     object_property_set_bool(OBJECT(s), true, "realized", &err);
     if (err != NULL) {
         error_report("%s", error_get_pretty(err));
diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c
index 8409ba853d..a6cdb4fb7b 100644
--- a/hw/arm/sbsa-ref.c
+++ b/hw/arm/sbsa-ref.c
@@ -222,10 +222,9 @@ static PFlashCFI01 *sbsa_flash_create1(SBSAMachineState *sms,
     qdev_prop_set_uint16(dev, "id2", 0x00);
     qdev_prop_set_uint16(dev, "id3", 0x00);
     qdev_prop_set_string(dev, "name", name);
-    object_property_add_child(OBJECT(sms), name, OBJECT(dev),
-                              &error_abort);
+    object_property_add_child(OBJECT(sms), name, OBJECT(dev));
     object_property_add_alias(OBJECT(sms), alias_prop_name,
-                              OBJECT(dev), "drive", &error_abort);
+                              OBJECT(dev), "drive");
     return PFLASH_CFI01(dev);
 }
 
diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c
index ed683eeea5..69ee4988f9 100644
--- a/hw/arm/vexpress.c
+++ b/hw/arm/vexpress.c
@@ -749,11 +749,10 @@ static void vexpress_instance_init(Object *obj)
     /* EL3 is enabled by default on vexpress */
     vms->secure = true;
     object_property_add_bool(obj, "secure", vexpress_get_secure,
-                             vexpress_set_secure, NULL);
+                             vexpress_set_secure);
     object_property_set_description(obj, "secure",
                                     "Set on/off to enable/disable the ARM "
-                                    "Security Extensions (TrustZone)",
-                                    NULL);
+                                    "Security Extensions (TrustZone)");
 }
 
 static void vexpress_a15_instance_init(Object *obj)
@@ -766,12 +765,11 @@ static void vexpress_a15_instance_init(Object *obj)
      */
     vms->virt = true;
     object_property_add_bool(obj, "virtualization", vexpress_get_virt,
-                             vexpress_set_virt, NULL);
+                             vexpress_set_virt);
     object_property_set_description(obj, "virtualization",
                                     "Set on/off to enable/disable the ARM "
                                     "Virtualization Extensions "
-                                    "(defaults to same as 'secure')",
-                                    NULL);
+                                    "(defaults to same as 'secure')");
 }
 
 static void vexpress_a9_instance_init(Object *obj)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index f22b1e6097..1b0a584c7b 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -49,6 +49,7 @@
 #include "sysemu/reset.h"
 #include "kvm_arm.h"
 #include "migration/vmstate.h"
+#include "hw/acpi/ghes.h"
 
 #define ARM_SPI_BASE 32
 
@@ -818,6 +819,12 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
     acpi_add_table(table_offsets, tables_blob);
     build_spcr(tables_blob, tables->linker, vms);
 
+    if (vms->ras) {
+        build_ghes_error_table(tables->hardware_errors, tables->linker);
+        acpi_add_table(table_offsets, tables_blob);
+        acpi_build_hest(tables_blob, tables->linker);
+    }
+
     if (ms->numa_state->num_nodes > 0) {
         acpi_add_table(table_offsets, tables_blob);
         build_srat(tables_blob, tables->linker, vms);
@@ -910,6 +917,7 @@ void virt_acpi_setup(VirtMachineState *vms)
 {
     AcpiBuildTables tables;
     AcpiBuildState *build_state;
+    AcpiGedState *acpi_ged_state;
 
     if (!vms->fw_cfg) {
         trace_virt_acpi_setup();
@@ -940,6 +948,13 @@ void virt_acpi_setup(VirtMachineState *vms)
     fw_cfg_add_file(vms->fw_cfg, ACPI_BUILD_TPMLOG_FILE, tables.tcpalog->data,
                     acpi_data_len(tables.tcpalog));
 
+    if (vms->ras) {
+        assert(vms->acpi_dev);
+        acpi_ged_state = ACPI_GED(vms->acpi_dev);
+        acpi_ghes_add_fw_cfg(&acpi_ged_state->ghes_state,
+                             vms->fw_cfg, tables.hardware_errors);
+    }
+
     build_state->rsdp_mr = acpi_add_rom_blob(virt_acpi_build_update,
                                              build_state, tables.rsdp,
                                              ACPI_BUILD_RSDP_FILE, 0);
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 634db0cfe9..c41d5f9778 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -959,10 +959,9 @@ static PFlashCFI01 *virt_flash_create1(VirtMachineState *vms,
     qdev_prop_set_uint16(dev, "id2", 0x00);
     qdev_prop_set_uint16(dev, "id3", 0x00);
     qdev_prop_set_string(dev, "name", name);
-    object_property_add_child(OBJECT(vms), name, OBJECT(dev),
-                              &error_abort);
+    object_property_add_child(OBJECT(vms), name, OBJECT(dev));
     object_property_add_alias(OBJECT(vms), alias_prop_name,
-                              OBJECT(dev), "drive", &error_abort);
+                              OBJECT(dev), "drive");
     return PFLASH_CFI01(dev);
 }
 
@@ -1995,6 +1994,20 @@ static void virt_set_acpi(Object *obj, Visitor *v, const char *name,
     visit_type_OnOffAuto(v, name, &vms->acpi, errp);
 }
 
+static bool virt_get_ras(Object *obj, Error **errp)
+{
+    VirtMachineState *vms = VIRT_MACHINE(obj);
+
+    return vms->ras;
+}
+
+static void virt_set_ras(Object *obj, bool value, Error **errp)
+{
+    VirtMachineState *vms = VIRT_MACHINE(obj);
+
+    vms->ras = value;
+}
+
 static char *virt_get_gic_version(Object *obj, Error **errp)
 {
     VirtMachineState *vms = VIRT_MACHINE(obj);
@@ -2256,9 +2269,9 @@ static void virt_machine_class_init(ObjectClass *oc, void *data)
 
     object_class_property_add(oc, "acpi", "OnOffAuto",
         virt_get_acpi, virt_set_acpi,
-        NULL, NULL, &error_abort);
+        NULL, NULL);
     object_class_property_set_description(oc, "acpi",
-        "Enable ACPI", &error_abort);
+        "Enable ACPI");
 }
 
 static void virt_instance_init(Object *obj)
@@ -2272,37 +2285,33 @@ static void virt_instance_init(Object *obj)
      */
     vms->secure = false;
     object_property_add_bool(obj, "secure", virt_get_secure,
-                             virt_set_secure, NULL);
+                             virt_set_secure);
     object_property_set_description(obj, "secure",
                                     "Set on/off to enable/disable the ARM "
-                                    "Security Extensions (TrustZone)",
-                                    NULL);
+                                    "Security Extensions (TrustZone)");
 
     /* EL2 is also disabled by default, for similar reasons */
     vms->virt = false;
     object_property_add_bool(obj, "virtualization", virt_get_virt,
-                             virt_set_virt, NULL);
+                             virt_set_virt);
     object_property_set_description(obj, "virtualization",
                                     "Set on/off to enable/disable emulating a "
                                     "guest CPU which implements the ARM "
-                                    "Virtualization Extensions",
-                                    NULL);
+                                    "Virtualization Extensions");
 
     /* High memory is enabled by default */
     vms->highmem = true;
     object_property_add_bool(obj, "highmem", virt_get_highmem,
-                             virt_set_highmem, NULL);
+                             virt_set_highmem);
     object_property_set_description(obj, "highmem",
                                     "Set on/off to enable/disable using "
-                                    "physical address space above 32 bits",
-                                    NULL);
+                                    "physical address space above 32 bits");
     vms->gic_version = VIRT_GIC_VERSION_NOSEL;
     object_property_add_str(obj, "gic-version", virt_get_gic_version,
-                        virt_set_gic_version, NULL);
+                        virt_set_gic_version);
     object_property_set_description(obj, "gic-version",
                                     "Set GIC version. "
-                                    "Valid values are 2, 3, host and max",
-                                    NULL);
+                                    "Valid values are 2, 3, host and max");
 
     vms->highmem_ecam = !vmc->no_highmem_ecam;
 
@@ -2312,20 +2321,26 @@ static void virt_instance_init(Object *obj)
         /* Default allows ITS instantiation */
         vms->its = true;
         object_property_add_bool(obj, "its", virt_get_its,
-                                 virt_set_its, NULL);
+                                 virt_set_its);
         object_property_set_description(obj, "its",
                                         "Set on/off to enable/disable "
-                                        "ITS instantiation",
-                                        NULL);
+                                        "ITS instantiation");
     }
 
     /* Default disallows iommu instantiation */
     vms->iommu = VIRT_IOMMU_NONE;
-    object_property_add_str(obj, "iommu", virt_get_iommu, virt_set_iommu, NULL);
+    object_property_add_str(obj, "iommu", virt_get_iommu, virt_set_iommu);
     object_property_set_description(obj, "iommu",
                                     "Set the IOMMU type. "
-                                    "Valid values are none and smmuv3",
-                                    NULL);
+                                    "Valid values are none and smmuv3");
+
+    /* Default disallows RAS instantiation */
+    vms->ras = false;
+    object_property_add_bool(obj, "ras", virt_get_ras,
+                             virt_set_ras);
+    object_property_set_description(obj, "ras",
+                                    "Set on/off to enable/disable reporting host memory errors "
+                                    "to a KVM guest using ACPI and guest external abort exceptions");
 
     vms->irqmap = a15irqmap;
 
diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
index 91b498dd5d..cb933efb49 100644
--- a/hw/arm/xilinx_zynq.c
+++ b/hw/arm/xilinx_zynq.c
@@ -229,7 +229,7 @@ static void zynq_init(MachineState *machine)
     /* Create the main clock source, and feed slcr with it */
     zynq_machine->ps_clk = CLOCK(object_new(TYPE_CLOCK));
     object_property_add_child(OBJECT(zynq_machine), "ps_clk",
-                              OBJECT(zynq_machine->ps_clk), &error_abort);
+                              OBJECT(zynq_machine->ps_clk));
     object_unref(OBJECT(zynq_machine->ps_clk));
     clock_set_hz(zynq_machine->ps_clk, PS_CLK_FREQUENCY);
     qdev_connect_clock_in(slcr, "ps_clk", zynq_machine->ps_clk);
diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
index 7e749e1926..43a71e2eea 100644
--- a/hw/arm/xlnx-versal-virt.c
+++ b/hw/arm/xlnx-versal-virt.c
@@ -433,8 +433,7 @@ static void create_virtio_regions(VersalVirt *s)
 
         pic_irq = qdev_get_gpio_in(DEVICE(&s->soc.fpd.apu.gic), irq);
         dev = qdev_create(NULL, "virtio-mmio");
-        object_property_add_child(OBJECT(&s->soc), name, OBJECT(dev),
-                                  &error_fatal);
+        object_property_add_child(OBJECT(&s->soc), name, OBJECT(dev));
         qdev_init_nofail(dev);
         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic_irq);
         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
@@ -465,8 +464,7 @@ static void sd_plugin_card(SDHCIState *sd, DriveInfo *di)
     DeviceState *card;
 
     card = qdev_create(qdev_get_child_bus(DEVICE(sd), "sd-bus"), TYPE_SD_CARD);
-    object_property_add_child(OBJECT(sd), "card[*]", OBJECT(card),
-                              &error_fatal);
+    object_property_add_child(OBJECT(sd), "card[*]", OBJECT(card));
     qdev_prop_set_drive(card, "drive", blk, &error_fatal);
     object_property_set_bool(OBJECT(card), true, "realized", &error_fatal);
 }
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
index 321171bcce..809a31390f 100644
--- a/hw/arm/xlnx-versal.c
+++ b/hw/arm/xlnx-versal.c
@@ -309,7 +309,7 @@ static void versal_unimp_area(Versal *s, const char *name,
 
     qdev_prop_set_string(dev, "name", name);
     qdev_prop_set_uint64(dev, "size", size);
-    object_property_add_child(OBJECT(s), name, OBJECT(dev), &error_fatal);
+    object_property_add_child(OBJECT(s), name, OBJECT(dev));
     qdev_init_nofail(dev);
 
     mr_dev = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
diff --git a/hw/arm/xlnx-zcu102.c b/hw/arm/xlnx-zcu102.c
index a798e228b7..b01e575b58 100644
--- a/hw/arm/xlnx-zcu102.c
+++ b/hw/arm/xlnx-zcu102.c
@@ -209,21 +209,19 @@ static void xlnx_zcu102_machine_instance_init(Object *obj)
     /* Default to secure mode being disabled */
     s->secure = false;
     object_property_add_bool(obj, "secure", zcu102_get_secure,
-                             zcu102_set_secure, NULL);
+                             zcu102_set_secure);
     object_property_set_description(obj, "secure",
                                     "Set on/off to enable/disable the ARM "
-                                    "Security Extensions (TrustZone)",
-                                    NULL);
+                                    "Security Extensions (TrustZone)");
 
     /* Default to virt (EL2) being disabled */
     s->virt = false;
     object_property_add_bool(obj, "virtualization", zcu102_get_virt,
-                             zcu102_set_virt, NULL);
+                             zcu102_set_virt);
     object_property_set_description(obj, "virtualization",
                                     "Set on/off to enable/disable emulating a "
                                     "guest CPU which implements the ARM "
-                                    "Virtualization Extensions",
-                                    NULL);
+                                    "Virtualization Extensions");
 }
 
 static void xlnx_zcu102_machine_class_init(ObjectClass *oc, void *data)
diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index b84d153d56..f08abf60d7 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -554,8 +554,7 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
 
         /* Alias controller SD bus to the SoC itself */
         bus_name = g_strdup_printf("sd-bus%d", i);
-        object_property_add_alias(OBJECT(s), bus_name, sdhci, "sd-bus",
-                                  &error_abort);
+        object_property_add_alias(OBJECT(s), bus_name, sdhci, "sd-bus");
         g_free(bus_name);
     }
 
@@ -575,8 +574,7 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
         /* Alias controller SPI bus to the SoC itself */
         bus_name = g_strdup_printf("spi%d", i);
         object_property_add_alias(OBJECT(s), bus_name,
-                                  OBJECT(&s->spi[i]), "spi0",
-                                  &error_abort);
+                                  OBJECT(&s->spi[i]), "spi0");
         g_free(bus_name);
     }
 
@@ -597,8 +595,7 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
         bus_name = g_strdup_printf("qspi%d", i);
         target_bus = g_strdup_printf("spi%d", i);
         object_property_add_alias(OBJECT(s), bus_name,
-                                  OBJECT(&s->qspi), target_bus,
-                                  &error_abort);
+                                  OBJECT(&s->qspi), target_bus);
         g_free(bus_name);
         g_free(target_bus);
     }
diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c
index e8d18b7c58..4696ae0d9a 100644
--- a/hw/audio/intel-hda.c
+++ b/hw/audio/intel-hda.c
@@ -74,7 +74,7 @@ static void hda_codec_dev_realize(DeviceState *qdev, Error **errp)
     }
 }
 
-static void hda_codec_dev_unrealize(DeviceState *qdev, Error **errp)
+static void hda_codec_dev_unrealize(DeviceState *qdev)
 {
     HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev);
     HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
diff --git a/hw/audio/marvell_88w8618.c b/hw/audio/marvell_88w8618.c
index 883ef74c8b..8dfacec693 100644
--- a/hw/audio/marvell_88w8618.c
+++ b/hw/audio/marvell_88w8618.c
@@ -259,7 +259,7 @@ static void mv88w8618_audio_init(Object *obj)
     object_property_add_link(OBJECT(dev), "wm8750", TYPE_WM8750,
                              (Object **) &s->wm,
                              qdev_prop_allow_set_link_before_realize,
-                             0, &error_abort);
+                             0);
 }
 
 static void mv88w8618_audio_realize(DeviceState *dev, Error **errp)
diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c
index 29dc00bf8d..c37a387861 100644
--- a/hw/audio/pcspk.c
+++ b/hw/audio/pcspk.c
@@ -175,7 +175,7 @@ static void pcspk_initfn(Object *obj)
     object_property_add_link(obj, "pit", TYPE_PIT_COMMON,
                              (Object **)&s->pit,
                              qdev_prop_allow_set_link_before_realize,
-                             0, &error_abort);
+                             0);
 }
 
 static void pcspk_realizefn(DeviceState *dev, Error **errp)
diff --git a/hw/block/fdc.c b/hw/block/fdc.c
index 9628cc171e..c5fb9d6ece 100644
--- a/hw/block/fdc.c
+++ b/hw/block/fdc.c
@@ -2813,10 +2813,10 @@ static void isabus_fdc_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &isa->bootindexA,
                                   "bootindexA", "/floppy@0",
-                                  DEVICE(obj), NULL);
+                                  DEVICE(obj));
     device_add_bootindex_property(obj, &isa->bootindexB,
                                   "bootindexB", "/floppy@1",
-                                  DEVICE(obj), NULL);
+                                  DEVICE(obj));
 }
 
 static const TypeInfo isa_fdc_info = {
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 9b453423cf..2f3100e56c 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -1594,7 +1594,7 @@ static void nvme_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/namespace@1,0",
-                                  DEVICE(obj), &error_abort);
+                                  DEVICE(obj));
 }
 
 static const TypeInfo nvme_info = {
diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c
index 12f18d401a..f0579ecb17 100644
--- a/hw/block/pflash_cfi02.c
+++ b/hw/block/pflash_cfi02.c
@@ -949,7 +949,7 @@ static Property pflash_cfi02_properties[] = {
     DEFINE_PROP_END_OF_LIST(),
 };
 
-static void pflash_cfi02_unrealize(DeviceState *dev, Error **errp)
+static void pflash_cfi02_unrealize(DeviceState *dev)
 {
     PFlashCFI02 *pfl = PFLASH_CFI02(dev);
     timer_del(&pfl->timer);
diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c
index 6c485d1c9e..9d8c0b3909 100644
--- a/hw/block/vhost-user-blk.c
+++ b/hw/block/vhost-user-blk.c
@@ -452,7 +452,7 @@ virtio_err:
     vhost_user_cleanup(&s->vhost_user);
 }
 
-static void vhost_user_blk_device_unrealize(DeviceState *dev, Error **errp)
+static void vhost_user_blk_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VHostUserBlk *s = VHOST_USER_BLK(dev);
@@ -481,7 +481,7 @@ static void vhost_user_blk_instance_init(Object *obj)
     VHostUserBlk *s = VHOST_USER_BLK(obj);
 
     device_add_bootindex_property(obj, &s->bootindex, "bootindex",
-                                  "/disk@0,0", DEVICE(obj), NULL);
+                                  "/disk@0,0", DEVICE(obj));
 }
 
 static const VMStateDescription vmstate_vhost_user_blk = {
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 97ba8a2187..f5f6fc925e 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -1223,7 +1223,7 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp)
                          conf->conf.lsecs);
 }
 
-static void virtio_blk_device_unrealize(DeviceState *dev, Error **errp)
+static void virtio_blk_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIOBlock *s = VIRTIO_BLK(dev);
@@ -1248,7 +1248,7 @@ static void virtio_blk_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->conf.conf.bootindex,
                                   "bootindex", "/disk@0,0",
-                                  DEVICE(obj), NULL);
+                                  DEVICE(obj));
 }
 
 static const VMStateDescription vmstate_virtio_blk = {
diff --git a/hw/block/xen-block.c b/hw/block/xen-block.c
index 99cb4c67cb..570489d6d9 100644
--- a/hw/block/xen-block.c
+++ b/hw/block/xen-block.c
@@ -136,7 +136,7 @@ static void xen_block_connect(XenDevice *xendev, Error **errp)
     g_free(ring_ref);
 }
 
-static void xen_block_unrealize(XenDevice *xendev, Error **errp)
+static void xen_block_unrealize(XenDevice *xendev)
 {
     XenBlockDevice *blockdev = XEN_BLOCK_DEVICE(xendev);
     XenBlockDeviceClass *blockdev_class =
@@ -157,7 +157,7 @@ static void xen_block_unrealize(XenDevice *xendev, Error **errp)
     blockdev->dataplane = NULL;
 
     if (blockdev_class->unrealize) {
-        blockdev_class->unrealize(blockdev, errp);
+        blockdev_class->unrealize(blockdev);
     }
 }
 
@@ -567,7 +567,7 @@ static const TypeInfo xen_block_type_info = {
     .class_init = xen_block_class_init,
 };
 
-static void xen_disk_unrealize(XenBlockDevice *blockdev, Error **errp)
+static void xen_disk_unrealize(XenBlockDevice *blockdev)
 {
     trace_xen_disk_unrealize();
 }
@@ -606,7 +606,7 @@ static const TypeInfo xen_disk_type_info = {
     .class_init = xen_disk_class_init,
 };
 
-static void xen_cdrom_unrealize(XenBlockDevice *blockdev, Error **errp)
+static void xen_cdrom_unrealize(XenBlockDevice *blockdev)
 {
     trace_xen_cdrom_unrealize();
 }
diff --git a/hw/char/serial-pci-multi.c b/hw/char/serial-pci-multi.c
index 1742cb77ec..5f9ccfcc93 100644
--- a/hw/char/serial-pci-multi.c
+++ b/hw/char/serial-pci-multi.c
@@ -56,7 +56,7 @@ static void multi_serial_pci_exit(PCIDevice *dev)
 
     for (i = 0; i < pci->ports; i++) {
         s = pci->state + i;
-        object_property_set_bool(OBJECT(s), false, "realized", NULL);
+        object_property_set_bool(OBJECT(s), false, "realized", &error_abort);
         memory_region_del_subregion(&pci->iobar, &s->io);
         g_free(pci->name[i]);
     }
diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c
index 743552c56b..37818db156 100644
--- a/hw/char/serial-pci.c
+++ b/hw/char/serial-pci.c
@@ -68,7 +68,7 @@ static void serial_pci_exit(PCIDevice *dev)
     PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
     SerialState *s = &pci->state;
 
-    object_property_set_bool(OBJECT(s), false, "realized", NULL);
+    object_property_set_bool(OBJECT(s), false, "realized", &error_abort);
     qemu_free_irq(s->irq);
 }
 
diff --git a/hw/char/serial.c b/hw/char/serial.c
index c822a9ae6c..7d74694587 100644
--- a/hw/char/serial.c
+++ b/hw/char/serial.c
@@ -950,7 +950,7 @@ static void serial_realize(DeviceState *dev, Error **errp)
     serial_reset(s);
 }
 
-static void serial_unrealize(DeviceState *dev, Error **errp)
+static void serial_unrealize(DeviceState *dev)
 {
     SerialState *s = SERIAL(dev);
 
diff --git a/hw/char/virtio-console.c b/hw/char/virtio-console.c
index b010c21de4..4f46753ea3 100644
--- a/hw/char/virtio-console.c
+++ b/hw/char/virtio-console.c
@@ -249,7 +249,7 @@ static void virtconsole_realize(DeviceState *dev, Error **errp)
     }
 }
 
-static void virtconsole_unrealize(DeviceState *dev, Error **errp)
+static void virtconsole_unrealize(DeviceState *dev)
 {
     VirtConsole *vcon = VIRTIO_CONSOLE(dev);
 
diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c
index 99a65bab7f..262089c0c9 100644
--- a/hw/char/virtio-serial-bus.c
+++ b/hw/char/virtio-serial-bus.c
@@ -1010,7 +1010,7 @@ static void virtser_port_device_plug(HotplugHandler *hotplug_dev,
     virtio_notify_config(VIRTIO_DEVICE(hotplug_dev));
 }
 
-static void virtser_port_device_unrealize(DeviceState *dev, Error **errp)
+static void virtser_port_device_unrealize(DeviceState *dev)
 {
     VirtIOSerialPort *port = VIRTIO_SERIAL_PORT(dev);
     VirtIOSerialPortClass *vsc = VIRTIO_SERIAL_PORT_GET_CLASS(dev);
@@ -1022,7 +1022,7 @@ static void virtser_port_device_unrealize(DeviceState *dev, Error **errp)
     QTAILQ_REMOVE(&vser->ports, port, next);
 
     if (vsc->unrealize) {
-        vsc->unrealize(dev, errp);
+        vsc->unrealize(dev);
     }
 }
 
@@ -1122,7 +1122,7 @@ static const TypeInfo virtio_serial_port_type_info = {
     .class_init = virtio_serial_port_class_init,
 };
 
-static void virtio_serial_device_unrealize(DeviceState *dev, Error **errp)
+static void virtio_serial_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIOSerial *vser = VIRTIO_SERIAL(dev);
@@ -1147,7 +1147,7 @@ static void virtio_serial_device_unrealize(DeviceState *dev, Error **errp)
         g_free(vser->post_load);
     }
 
-    qbus_set_hotplug_handler(BUS(&vser->bus), NULL, errp);
+    qbus_set_hotplug_handler(BUS(&vser->bus), NULL, &error_abort);
 
     virtio_cleanup(vdev);
 }
diff --git a/hw/core/bus.c b/hw/core/bus.c
index 3dc0a825f0..50924793ac 100644
--- a/hw/core/bus.c
+++ b/hw/core/bus.c
@@ -25,7 +25,7 @@
 
 void qbus_set_hotplug_handler(BusState *bus, Object *handler, Error **errp)
 {
-    object_property_set_link(OBJECT(bus), OBJECT(handler),
+    object_property_set_link(OBJECT(bus), handler,
                              QDEV_HOTPLUG_HANDLER_PROPERTY, errp);
 }
 
@@ -122,7 +122,7 @@ static void qbus_realize(BusState *bus, DeviceState *parent, const char *name)
     if (bus->parent) {
         QLIST_INSERT_HEAD(&bus->parent->child_bus, bus, sibling);
         bus->parent->num_child_bus++;
-        object_property_add_child(OBJECT(bus->parent), bus->name, OBJECT(bus), NULL);
+        object_property_add_child(OBJECT(bus->parent), bus->name, OBJECT(bus));
         object_unref(OBJECT(bus));
     } else {
         /* The only bus without a parent is the main system bus */
@@ -176,11 +176,10 @@ static void bus_set_realized(Object *obj, bool value, Error **errp)
     BusState *bus = BUS(obj);
     BusClass *bc = BUS_GET_CLASS(bus);
     BusChild *kid;
-    Error *local_err = NULL;
 
     if (value && !bus->realized) {
         if (bc->realize) {
-            bc->realize(bus, &local_err);
+            bc->realize(bus, errp);
         }
 
         /* TODO: recursive realization */
@@ -188,21 +187,13 @@ static void bus_set_realized(Object *obj, bool value, Error **errp)
         QTAILQ_FOREACH(kid, &bus->children, sibling) {
             DeviceState *dev = kid->child;
             object_property_set_bool(OBJECT(dev), false, "realized",
-                                     &local_err);
-            if (local_err != NULL) {
-                break;
-            }
+                                     &error_abort);
         }
-        if (bc->unrealize && local_err == NULL) {
-            bc->unrealize(bus, &local_err);
+        if (bc->unrealize) {
+            bc->unrealize(bus);
         }
     }
 
-    if (local_err != NULL) {
-        error_propagate(errp, local_err);
-        return;
-    }
-
     bus->realized = value;
 }
 
@@ -215,10 +206,9 @@ static void qbus_initfn(Object *obj)
                              TYPE_HOTPLUG_HANDLER,
                              (Object **)&bus->hotplug_handler,
                              object_property_allow_set_link,
-                             0,
-                             NULL);
+                             0);
     object_property_add_bool(obj, "realized",
-                             bus_get_realized, bus_set_realized, NULL);
+                             bus_get_realized, bus_set_realized);
 }
 
 static char *default_bus_get_fw_dev_path(DeviceState *dev)
diff --git a/hw/core/cpu.c b/hw/core/cpu.c
index 786a1bec8a..5284d384fb 100644
--- a/hw/core/cpu.c
+++ b/hw/core/cpu.c
@@ -345,7 +345,7 @@ static void cpu_common_realizefn(DeviceState *dev, Error **errp)
     trace_init_vcpu(cpu);
 }
 
-static void cpu_common_unrealizefn(DeviceState *dev, Error **errp)
+static void cpu_common_unrealizefn(DeviceState *dev)
 {
     CPUState *cpu = CPU(dev);
     /* NOTE: latest generic point before the cpu is fully unrealized */
diff --git a/hw/core/generic-loader.c b/hw/core/generic-loader.c
index b9aaa52706..a242c076f6 100644
--- a/hw/core/generic-loader.c
+++ b/hw/core/generic-loader.c
@@ -173,7 +173,7 @@ static void generic_loader_realize(DeviceState *dev, Error **errp)
     }
 }
 
-static void generic_loader_unrealize(DeviceState *dev, Error **errp)
+static void generic_loader_unrealize(DeviceState *dev)
 {
     qemu_unregister_reset(generic_loader_reset, dev);
 }
diff --git a/hw/core/machine-qmp-cmds.c b/hw/core/machine-qmp-cmds.c
index eed5aeb2f7..2c5da8413d 100644
--- a/hw/core/machine-qmp-cmds.c
+++ b/hw/core/machine-qmp-cmds.c
@@ -11,9 +11,13 @@
 #include "cpu.h"
 #include "hw/boards.h"
 #include "qapi/error.h"
+#include "qapi/qapi-builtin-visit.h"
 #include "qapi/qapi-commands-machine.h"
 #include "qapi/qmp/qerror.h"
+#include "qapi/qmp/qobject.h"
+#include "qapi/qobject-input-visitor.h"
 #include "qemu/main-loop.h"
+#include "qom/qom-qobject.h"
 #include "sysemu/hostmem.h"
 #include "sysemu/hw_accel.h"
 #include "sysemu/numa.h"
@@ -303,6 +307,8 @@ static int query_memdev(Object *obj, void *opaque)
 {
     MemdevList **list = opaque;
     MemdevList *m = NULL;
+    QObject *host_nodes;
+    Visitor *v;
 
     if (object_dynamic_cast(obj, TYPE_MEMORY_BACKEND)) {
         m = g_malloc0(sizeof(*m));
@@ -325,9 +331,13 @@ static int query_memdev(Object *obj, void *opaque)
                                                     "policy",
                                                     "HostMemPolicy",
                                                     &error_abort);
-        object_property_get_uint16List(obj, "host-nodes",
-                                       &m->value->host_nodes,
-                                       &error_abort);
+        host_nodes = object_property_get_qobject(obj,
+                                                 "host-nodes",
+                                                 &error_abort);
+        v = qobject_input_visitor_new(host_nodes);
+        visit_type_uint16List(v, NULL, &m->value->host_nodes, &error_abort);
+        visit_free(v);
+        qobject_unref(host_nodes);
 
         m->next = *list;
         *list = m;
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 7a50dd518f..bb3a7b18b1 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -787,85 +787,80 @@ static void machine_class_init(ObjectClass *oc, void *data)
     mc->numa_auto_assign_ram = numa_default_auto_assign_ram;
 
     object_class_property_add_str(oc, "kernel",
-        machine_get_kernel, machine_set_kernel, &error_abort);
+        machine_get_kernel, machine_set_kernel);
     object_class_property_set_description(oc, "kernel",
-        "Linux kernel image file", &error_abort);
+        "Linux kernel image file");
 
     object_class_property_add_str(oc, "initrd",
-        machine_get_initrd, machine_set_initrd, &error_abort);
+        machine_get_initrd, machine_set_initrd);
     object_class_property_set_description(oc, "initrd",
-        "Linux initial ramdisk file", &error_abort);
+        "Linux initial ramdisk file");
 
     object_class_property_add_str(oc, "append",
-        machine_get_append, machine_set_append, &error_abort);
+        machine_get_append, machine_set_append);
     object_class_property_set_description(oc, "append",
-        "Linux kernel command line", &error_abort);
+        "Linux kernel command line");
 
     object_class_property_add_str(oc, "dtb",
-        machine_get_dtb, machine_set_dtb, &error_abort);
+        machine_get_dtb, machine_set_dtb);
     object_class_property_set_description(oc, "dtb",
-        "Linux kernel device tree file", &error_abort);
+        "Linux kernel device tree file");
 
     object_class_property_add_str(oc, "dumpdtb",
-        machine_get_dumpdtb, machine_set_dumpdtb, &error_abort);
+        machine_get_dumpdtb, machine_set_dumpdtb);
     object_class_property_set_description(oc, "dumpdtb",
-        "Dump current dtb to a file and quit", &error_abort);
+        "Dump current dtb to a file and quit");
 
     object_class_property_add(oc, "phandle-start", "int",
         machine_get_phandle_start, machine_set_phandle_start,
-        NULL, NULL, &error_abort);
+        NULL, NULL);
     object_class_property_set_description(oc, "phandle-start",
-            "The first phandle ID we may generate dynamically", &error_abort);
+        "The first phandle ID we may generate dynamically");
 
     object_class_property_add_str(oc, "dt-compatible",
-        machine_get_dt_compatible, machine_set_dt_compatible, &error_abort);
+        machine_get_dt_compatible, machine_set_dt_compatible);
     object_class_property_set_description(oc, "dt-compatible",
-        "Overrides the \"compatible\" property of the dt root node",
-        &error_abort);
+        "Overrides the \"compatible\" property of the dt root node");
 
     object_class_property_add_bool(oc, "dump-guest-core",
-        machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort);
+        machine_get_dump_guest_core, machine_set_dump_guest_core);
     object_class_property_set_description(oc, "dump-guest-core",
-        "Include guest memory in a core dump", &error_abort);
+        "Include guest memory in a core dump");
 
     object_class_property_add_bool(oc, "mem-merge",
-        machine_get_mem_merge, machine_set_mem_merge, &error_abort);
+        machine_get_mem_merge, machine_set_mem_merge);
     object_class_property_set_description(oc, "mem-merge",
-        "Enable/disable memory merge support", &error_abort);
+        "Enable/disable memory merge support");
 
     object_class_property_add_bool(oc, "usb",
-        machine_get_usb, machine_set_usb, &error_abort);
+        machine_get_usb, machine_set_usb);
     object_class_property_set_description(oc, "usb",
-        "Set on/off to enable/disable usb", &error_abort);
+        "Set on/off to enable/disable usb");
 
     object_class_property_add_bool(oc, "graphics",
-        machine_get_graphics, machine_set_graphics, &error_abort);
+        machine_get_graphics, machine_set_graphics);
     object_class_property_set_description(oc, "graphics",
-        "Set on/off to enable/disable graphics emulation", &error_abort);
+        "Set on/off to enable/disable graphics emulation");
 
     object_class_property_add_str(oc, "firmware",
-        machine_get_firmware, machine_set_firmware,
-        &error_abort);
+        machine_get_firmware, machine_set_firmware);
     object_class_property_set_description(oc, "firmware",
-        "Firmware image", &error_abort);
+        "Firmware image");
 
     object_class_property_add_bool(oc, "suppress-vmdesc",
-        machine_get_suppress_vmdesc, machine_set_suppress_vmdesc,
-        &error_abort);
+        machine_get_suppress_vmdesc, machine_set_suppress_vmdesc);
     object_class_property_set_description(oc, "suppress-vmdesc",
-        "Set on to disable self-describing migration", &error_abort);
+        "Set on to disable self-describing migration");
 
     object_class_property_add_bool(oc, "enforce-config-section",
-        machine_get_enforce_config_section, machine_set_enforce_config_section,
-        &error_abort);
+        machine_get_enforce_config_section, machine_set_enforce_config_section);
     object_class_property_set_description(oc, "enforce-config-section",
-        "Set on to enforce configuration section migration", &error_abort);
+        "Set on to enforce configuration section migration");
 
     object_class_property_add_str(oc, "memory-encryption",
-        machine_get_memory_encryption, machine_set_memory_encryption,
-        &error_abort);
+        machine_get_memory_encryption, machine_set_memory_encryption);
     object_class_property_set_description(oc, "memory-encryption",
-        "Set memory encryption object to use", &error_abort);
+        "Set memory encryption object to use");
 }
 
 static void machine_class_base_init(ObjectClass *oc, void *data)
@@ -894,40 +889,34 @@ static void machine_initfn(Object *obj)
 
         ms->nvdimms_state = g_new0(NVDIMMState, 1);
         object_property_add_bool(obj, "nvdimm",
-                                 machine_get_nvdimm, machine_set_nvdimm,
-                                 &error_abort);
+                                 machine_get_nvdimm, machine_set_nvdimm);
         object_property_set_description(obj, "nvdimm",
                                         "Set on/off to enable/disable "
-                                        "NVDIMM instantiation", NULL);
+                                        "NVDIMM instantiation");
 
         object_property_add_str(obj, "nvdimm-persistence",
                                 machine_get_nvdimm_persistence,
-                                machine_set_nvdimm_persistence,
-                                &error_abort);
+                                machine_set_nvdimm_persistence);
         object_property_set_description(obj, "nvdimm-persistence",
                                         "Set NVDIMM persistence"
-                                        "Valid values are cpu, mem-ctrl",
-                                        NULL);
+                                        "Valid values are cpu, mem-ctrl");
     }
 
     if (mc->cpu_index_to_instance_props && mc->get_default_cpu_node_id) {
         ms->numa_state = g_new0(NumaState, 1);
         object_property_add_bool(obj, "hmat",
-                                 machine_get_hmat, machine_set_hmat,
-                                 &error_abort);
+                                 machine_get_hmat, machine_set_hmat);
         object_property_set_description(obj, "hmat",
                                         "Set on/off to enable/disable "
                                         "ACPI Heterogeneous Memory Attribute "
-                                        "Table (HMAT)", NULL);
+                                        "Table (HMAT)");
     }
 
     object_property_add_str(obj, "memory-backend",
-                            machine_get_memdev, machine_set_memdev,
-                            &error_abort);
+                            machine_get_memdev, machine_set_memdev);
     object_property_set_description(obj, "memory-backend",
                                     "Set RAM backend"
-                                    "Valid value is ID of hostmem based backend",
-                                     &error_abort);
+                                    "Valid value is ID of hostmem based backend");
 
     /* Register notifier when init is done for sysbus sanity checks */
     ms->sysbus_notifier.notify = machine_init_notify;
diff --git a/hw/core/qdev-clock.c b/hw/core/qdev-clock.c
index a94cc44437..5cc1e82e51 100644
--- a/hw/core/qdev-clock.c
+++ b/hw/core/qdev-clock.c
@@ -46,7 +46,7 @@ static NamedClockList *qdev_init_clocklist(DeviceState *dev, const char *name,
      */
     if (clk == NULL) {
         clk = CLOCK(object_new(TYPE_CLOCK));
-        object_property_add_child(OBJECT(dev), name, OBJECT(clk), &error_abort);
+        object_property_add_child(OBJECT(dev), name, OBJECT(clk));
         if (output) {
             /*
              * Remove object_new()'s initial reference.
@@ -59,7 +59,7 @@ static NamedClockList *qdev_init_clocklist(DeviceState *dev, const char *name,
         object_property_add_link(OBJECT(dev), name,
                                  object_get_typename(OBJECT(clk)),
                                  (Object **) &ncl->clock,
-                                 NULL, OBJ_PROP_LINK_STRONG, &error_abort);
+                                 NULL, OBJ_PROP_LINK_STRONG);
     }
 
     ncl->clock = clk;
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index 2047114fca..cc924815da 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -1043,11 +1043,7 @@ static void set_prop_arraylen(Object *obj, Visitor *v, const char *name,
                             arrayprop->prop.info->get,
                             arrayprop->prop.info->set,
                             array_element_release,
-                            arrayprop, &local_err);
-        if (local_err) {
-            error_propagate(errp, local_err);
-            return;
-        }
+                            arrayprop);
     }
 }
 
@@ -1254,13 +1250,12 @@ const PropertyInfo qdev_prop_size = {
 
 /* --- object link property --- */
 
-static void create_link_property(ObjectClass *oc, Property *prop, Error **errp)
+static void create_link_property(ObjectClass *oc, Property *prop)
 {
     object_class_property_add_link(oc, prop->name, prop->link_type,
                                    prop->offset,
                                    qdev_prop_allow_set_link_before_realize,
-                                   OBJ_PROP_LINK_STRONG,
-                                   errp);
+                                   OBJ_PROP_LINK_STRONG);
 }
 
 const PropertyInfo qdev_prop_link = {
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index dd77a56067..9e5538aeae 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -65,7 +65,7 @@ static void bus_remove_child(BusState *bus, DeviceState *child)
             bus->num_children--;
 
             /* This gives back ownership of kid->child back to us.  */
-            object_property_del(OBJECT(bus), name, NULL);
+            object_property_del(OBJECT(bus), name);
             object_unref(OBJECT(kid->child));
             g_free(kid);
             return;
@@ -91,8 +91,7 @@ static void bus_add_child(BusState *bus, DeviceState *child)
                              object_get_typename(OBJECT(child)),
                              (Object **)&kid->child,
                              NULL, /* read-only property */
-                             0, /* return ownership on prop deletion */
-                             NULL);
+                             0);
 }
 
 void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
@@ -393,7 +392,7 @@ static void device_reset_child_foreach(Object *obj, ResettableChildCallback cb,
 void qdev_simple_device_unplug_cb(HotplugHandler *hotplug_dev,
                                   DeviceState *dev, Error **errp)
 {
-    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
 }
 
 /*
@@ -481,7 +480,7 @@ void qdev_init_gpio_in_named_with_opaque(DeviceState *dev,
         gchar *propname = g_strdup_printf("%s[%u]", name, i);
 
         object_property_add_child(OBJECT(dev), propname,
-                                  OBJECT(gpio_list->in[i]), &error_abort);
+                                  OBJECT(gpio_list->in[i]));
         g_free(propname);
     }
 
@@ -512,8 +511,7 @@ void qdev_init_gpio_out_named(DeviceState *dev, qemu_irq *pins,
         object_property_add_link(OBJECT(dev), propname, TYPE_IRQ,
                                  (Object **)&pins[i],
                                  object_property_allow_set_link,
-                                 OBJ_PROP_LINK_STRONG,
-                                 &error_abort);
+                                 OBJ_PROP_LINK_STRONG);
         g_free(propname);
     }
     gpio_list->num_out += n;
@@ -542,15 +540,11 @@ void qdev_connect_gpio_out_named(DeviceState *dev, const char *name, int n,
 {
     char *propname = g_strdup_printf("%s[%d]",
                                      name ? name : "unnamed-gpio-out", n);
-    if (pin) {
-        /* We need a name for object_property_set_link to work.  If the
-         * object has a parent, object_property_add_child will come back
-         * with an error without doing anything.  If it has none, it will
-         * never fail.  So we can just call it with a NULL Error pointer.
-         */
+    if (pin && !OBJECT(pin)->parent) {
+        /* We need a name for object_property_set_link to work */
         object_property_add_child(container_get(qdev_get_machine(),
                                                 "/unattached"),
-                                  "non-qdev-gpio[*]", OBJECT(pin), NULL);
+                                  "non-qdev-gpio[*]", OBJECT(pin));
     }
     object_property_set_link(OBJECT(dev), OBJECT(pin), propname, &error_abort);
     g_free(propname);
@@ -608,8 +602,7 @@ void qdev_pass_gpios(DeviceState *dev, DeviceState *container,
         char *propname = g_strdup_printf("%s[%d]", nm, i);
 
         object_property_add_alias(OBJECT(container), propname,
-                                  OBJECT(dev), propname,
-                                  &error_abort);
+                                  OBJECT(dev), propname);
         g_free(propname);
     }
     for (i = 0; i < ngl->num_out; i++) {
@@ -617,8 +610,7 @@ void qdev_pass_gpios(DeviceState *dev, DeviceState *container,
         char *propname = g_strdup_printf("%s[%d]", nm, i);
 
         object_property_add_alias(OBJECT(container), propname,
-                                  OBJECT(dev), propname,
-                                  &error_abort);
+                                  OBJECT(dev), propname);
         g_free(propname);
     }
     QLIST_REMOVE(ngl, node);
@@ -759,7 +751,7 @@ static void qdev_class_add_legacy_property(DeviceClass *dc, Property *prop)
     name = g_strdup_printf("legacy-%s", prop->name);
     object_class_property_add(OBJECT_CLASS(dc), name, "str",
         prop->info->print ? qdev_get_legacy_property : prop->info->get,
-        NULL, NULL, prop, &error_abort);
+        NULL, NULL, prop);
 }
 
 void qdev_property_add_static(DeviceState *dev, Property *prop)
@@ -772,11 +764,10 @@ void qdev_property_add_static(DeviceState *dev, Property *prop)
     op = object_property_add(obj, prop->name, prop->info->name,
                              prop->info->get, prop->info->set,
                              prop->info->release,
-                             prop, &error_abort);
+                             prop);
 
     object_property_set_description(obj, prop->name,
-                                    prop->info->description,
-                                    &error_abort);
+                                    prop->info->description);
 
     if (prop->set_default) {
         prop->info->set_default_value(op, prop);
@@ -791,7 +782,7 @@ static void qdev_class_add_property(DeviceClass *klass, Property *prop)
     ObjectClass *oc = OBJECT_CLASS(klass);
 
     if (prop->info->create) {
-        prop->info->create(oc, prop, &error_abort);
+        prop->info->create(oc, prop);
     } else {
         ObjectProperty *op;
 
@@ -799,14 +790,13 @@ static void qdev_class_add_property(DeviceClass *klass, Property *prop)
                                        prop->name, prop->info->name,
                                        prop->info->get, prop->info->set,
                                        prop->info->release,
-                                       prop, &error_abort);
+                                       prop);
         if (prop->set_default) {
             prop->info->set_default_value(op, prop);
         }
     }
     object_class_property_set_description(oc, prop->name,
-                                          prop->info->description,
-                                          &error_abort);
+                                          prop->info->description);
 }
 
 /* @qdev_alias_all_properties - Add alias properties to the source object for
@@ -823,8 +813,7 @@ void qdev_alias_all_properties(DeviceState *target, Object *source)
 
         for (prop = dc->props_; prop && prop->name; prop++) {
             object_property_add_alias(source, prop->name,
-                                      OBJECT(target), prop->name,
-                                      &error_abort);
+                                      OBJECT(target), prop->name);
         }
         class = object_class_get_parent(class);
     } while (class != object_class_by_name(TYPE_DEVICE));
@@ -876,7 +865,7 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
 
             object_property_add_child(container_get(qdev_get_machine(),
                                                     "/unattached"),
-                                      name, obj, &error_abort);
+                                      name, obj);
             unattached_parent = true;
             g_free(name);
         }
@@ -956,23 +945,18 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
        }
 
     } else if (!value && dev->realized) {
-        /* We want local_err to track only the first error */
         QLIST_FOREACH(bus, &dev->child_bus, sibling) {
             object_property_set_bool(OBJECT(bus), false, "realized",
-                                     local_err ? NULL : &local_err);
+                                     &error_abort);
         }
         if (qdev_get_vmsd(dev)) {
             vmstate_unregister(VMSTATE_IF(dev), qdev_get_vmsd(dev), dev);
         }
         if (dc->unrealize) {
-            dc->unrealize(dev, local_err ? NULL : &local_err);
+            dc->unrealize(dev);
         }
         dev->pending_deleted_event = true;
         DEVICE_LISTENER_CALL(unrealize, Reverse, dev);
-
-        if (local_err != NULL) {
-            goto fail;
-        }
     }
 
     assert(local_err == NULL);
@@ -982,7 +966,7 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
 child_realize_fail:
     QLIST_FOREACH(bus, &dev->child_bus, sibling) {
         object_property_set_bool(OBJECT(bus), false, "realized",
-                                 NULL);
+                                 &error_abort);
     }
 
     if (qdev_get_vmsd(dev)) {
@@ -993,7 +977,7 @@ post_realize_fail:
     g_free(dev->canonical_path);
     dev->canonical_path = NULL;
     if (dc->unrealize) {
-        dc->unrealize(dev, NULL);
+        dc->unrealize(dev);
     }
 
 fail:
@@ -1094,7 +1078,7 @@ static void device_unparent(Object *obj)
     BusState *bus;
 
     if (dev->realized) {
-        object_property_set_bool(obj, false, "realized", NULL);
+        object_property_set_bool(obj, false, "realized", &error_abort);
     }
     while (dev->num_child_bus) {
         bus = QLIST_FIRST(&dev->child_bus);
@@ -1203,17 +1187,13 @@ static void device_class_init(ObjectClass *class, void *data)
     rc->get_transitional_function = device_get_transitional_reset;
 
     object_class_property_add_bool(class, "realized",
-                                   device_get_realized, device_set_realized,
-                                   &error_abort);
+                                   device_get_realized, device_set_realized);
     object_class_property_add_bool(class, "hotpluggable",
-                                   device_get_hotpluggable, NULL,
-                                   &error_abort);
+                                   device_get_hotpluggable, NULL);
     object_class_property_add_bool(class, "hotplugged",
-                                   device_get_hotplugged, NULL,
-                                   &error_abort);
+                                   device_get_hotplugged, NULL);
     object_class_property_add_link(class, "parent_bus", TYPE_BUS,
-                                   offsetof(DeviceState, parent_bus), NULL, 0,
-                                   &error_abort);
+                                   offsetof(DeviceState, parent_bus), NULL, 0);
 }
 
 void device_class_set_props(DeviceClass *dc, Property *props)
diff --git a/hw/core/stream.c b/hw/core/stream.c
index 39b1e595cd..a65ad1208d 100644
--- a/hw/core/stream.c
+++ b/hw/core/stream.c
@@ -3,11 +3,11 @@
 #include "qemu/module.h"
 
 size_t
-stream_push(StreamSlave *sink, uint8_t *buf, size_t len)
+stream_push(StreamSlave *sink, uint8_t *buf, size_t len, bool eop)
 {
     StreamSlaveClass *k =  STREAM_SLAVE_GET_CLASS(sink);
 
-    return k->push(sink, buf, len);
+    return k->push(sink, buf, len, eop);
 }
 
 bool
diff --git a/hw/cpu/core.c b/hw/cpu/core.c
index 9874c5c870..a92ac597ca 100644
--- a/hw/cpu/core.c
+++ b/hw/cpu/core.c
@@ -76,9 +76,9 @@ static void cpu_core_instance_init(Object *obj)
     CPUCore *core = CPU_CORE(obj);
 
     object_property_add(obj, "core-id", "int", core_prop_get_core_id,
-                        core_prop_set_core_id, NULL, NULL, NULL);
+                        core_prop_set_core_id, NULL, NULL);
     object_property_add(obj, "nr-threads", "int", core_prop_get_nr_threads,
-                        core_prop_set_nr_threads, NULL, NULL, NULL);
+                        core_prop_set_nr_threads, NULL, NULL);
     core->nr_threads = ms->smp.threads;
 }
 
diff --git a/hw/display/artist.c b/hw/display/artist.c
index 753dbb9a77..7e2a4556bd 100644
--- a/hw/display/artist.c
+++ b/hw/display/artist.c
@@ -1353,7 +1353,7 @@ static void artist_realizefn(DeviceState *dev, Error **errp)
     s->cursor_height = 32;
     s->cursor_width = 32;
 
-    s->con = graphic_console_init(DEVICE(dev), 0, &artist_ops, s);
+    s->con = graphic_console_init(dev, 0, &artist_ops, s);
     qemu_console_resize(s->con, s->width, s->height);
 }
 
diff --git a/hw/display/bochs-display.c b/hw/display/bochs-display.c
index e763a0a72d..a8e8ab8325 100644
--- a/hw/display/bochs-display.c
+++ b/hw/display/bochs-display.c
@@ -333,8 +333,7 @@ static void bochs_display_init(Object *obj)
     /* Expose framebuffer byteorder via QOM */
     object_property_add_bool(obj, "big-endian-framebuffer",
                              bochs_display_get_big_endian_fb,
-                             bochs_display_set_big_endian_fb,
-                             NULL);
+                             bochs_display_set_big_endian_fb);
 
     dev->cap_present |= QEMU_PCI_CAP_EXPRESS;
 }
diff --git a/hw/display/cg3.c b/hw/display/cg3.c
index a1ede10394..f7f1c199ce 100644
--- a/hw/display/cg3.c
+++ b/hw/display/cg3.c
@@ -321,7 +321,7 @@ static void cg3_realizefn(DeviceState *dev, Error **errp)
 
     sysbus_init_irq(sbd, &s->irq);
 
-    s->con = graphic_console_init(DEVICE(dev), 0, &cg3_ops, s);
+    s->con = graphic_console_init(dev, 0, &cg3_ops, s);
     qemu_console_resize(s->con, s->width, s->height);
 }
 
diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index de0ab9d977..acc692531a 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -1839,7 +1839,7 @@ static void sm501_init(SM501State *s, DeviceState *dev,
                                 &s->twoD_engine_region);
 
     /* create qemu graphic console */
-    s->con = graphic_console_init(DEVICE(dev), 0, &sm501_ops, s);
+    s->con = graphic_console_init(dev, 0, &sm501_ops, s);
 }
 
 static const VMStateDescription vmstate_sm501_state = {
@@ -2011,7 +2011,7 @@ static void sm501_sysbus_init(Object *o)
     qdev_prop_set_uint8(DEVICE(smm), "endianness", DEVICE_LITTLE_ENDIAN);
 
     object_property_add_alias(o, "chardev",
-                              OBJECT(smm), "chardev", &error_abort);
+                              OBJECT(smm), "chardev");
 }
 
 static const TypeInfo sm501_sysbus_info = {
diff --git a/hw/display/tcx.c b/hw/display/tcx.c
index 76de16e8ea..1fb45b1aab 100644
--- a/hw/display/tcx.c
+++ b/hw/display/tcx.c
@@ -868,9 +868,9 @@ static void tcx_realizefn(DeviceState *dev, Error **errp)
     sysbus_init_irq(sbd, &s->irq);
 
     if (s->depth == 8) {
-        s->con = graphic_console_init(DEVICE(dev), 0, &tcx_ops, s);
+        s->con = graphic_console_init(dev, 0, &tcx_ops, s);
     } else {
-        s->con = graphic_console_init(DEVICE(dev), 0, &tcx24_ops, s);
+        s->con = graphic_console_init(dev, 0, &tcx24_ops, s);
     }
     s->thcmisc = 0;
 
diff --git a/hw/display/vga-isa.c b/hw/display/vga-isa.c
index 0633ed382c..3aaeeeca1e 100644
--- a/hw/display/vga-isa.c
+++ b/hw/display/vga-isa.c
@@ -74,7 +74,7 @@ static void vga_isa_realizefn(DeviceState *dev, Error **errp)
                                         0x000a0000,
                                         vga_io_memory, 1);
     memory_region_set_coalescing(vga_io_memory);
-    s->con = graphic_console_init(DEVICE(dev), 0, s->hw_ops, s);
+    s->con = graphic_console_init(dev, 0, s->hw_ops, s);
 
     memory_region_add_subregion(isa_address_space(isadev),
                                 VBE_DISPI_LFB_PHYSICAL_ADDRESS,
diff --git a/hw/display/vga-pci.c b/hw/display/vga-pci.c
index 6b9db86e36..a640fd866d 100644
--- a/hw/display/vga-pci.c
+++ b/hw/display/vga-pci.c
@@ -270,7 +270,7 @@ static void pci_std_vga_init(Object *obj)
 {
     /* Expose framebuffer byteorder via QOM */
     object_property_add_bool(obj, "big-endian-framebuffer",
-                             vga_get_big_endian_fb, vga_set_big_endian_fb, NULL);
+                             vga_get_big_endian_fb, vga_set_big_endian_fb);
 }
 
 static void pci_secondary_vga_realize(PCIDevice *dev, Error **errp)
@@ -321,7 +321,7 @@ static void pci_secondary_vga_init(Object *obj)
 {
     /* Expose framebuffer byteorder via QOM */
     object_property_add_bool(obj, "big-endian-framebuffer",
-                             vga_get_big_endian_fb, vga_set_big_endian_fb, NULL);
+                             vga_get_big_endian_fb, vga_set_big_endian_fb);
 }
 
 static void pci_secondary_vga_reset(DeviceState *dev)
diff --git a/hw/display/vhost-user-gpu-pci.c b/hw/display/vhost-user-gpu-pci.c
index 7d9b1f5a8c..23ce655e0f 100644
--- a/hw/display/vhost-user-gpu-pci.c
+++ b/hw/display/vhost-user-gpu-pci.c
@@ -32,8 +32,7 @@ static void vhost_user_gpu_pci_initfn(Object *obj)
     VIRTIO_GPU_PCI_BASE(obj)->vgpu = VIRTIO_GPU_BASE(&dev->vdev);
 
     object_property_add_alias(obj, "chardev",
-                              OBJECT(&dev->vdev), "chardev",
-                              &error_abort);
+                              OBJECT(&dev->vdev), "chardev");
 }
 
 static const VirtioPCIDeviceTypeInfo vhost_user_gpu_pci_info = {
diff --git a/hw/display/vhost-user-gpu.c b/hw/display/vhost-user-gpu.c
index f0c7c6fb9a..4cdaee1bde 100644
--- a/hw/display/vhost-user-gpu.c
+++ b/hw/display/vhost-user-gpu.c
@@ -512,7 +512,7 @@ vhost_user_gpu_instance_init(Object *obj)
 
     g->vhost = VHOST_USER_BACKEND(object_new(TYPE_VHOST_USER_BACKEND));
     object_property_add_alias(obj, "chardev",
-                              OBJECT(g->vhost), "chardev", &error_abort);
+                              OBJECT(g->vhost), "chardev");
 }
 
 static void
diff --git a/hw/display/vhost-user-vga.c b/hw/display/vhost-user-vga.c
index a7195276d9..1690f6b610 100644
--- a/hw/display/vhost-user-vga.c
+++ b/hw/display/vhost-user-vga.c
@@ -33,8 +33,7 @@ static void vhost_user_vga_inst_initfn(Object *obj)
     VIRTIO_VGA_BASE(dev)->vgpu = VIRTIO_GPU_BASE(&dev->vdev);
 
     object_property_add_alias(obj, "chardev",
-                              OBJECT(&dev->vdev), "chardev",
-                              &error_abort);
+                              OBJECT(&dev->vdev), "chardev");
 }
 
 static const VirtioPCIDeviceTypeInfo vhost_user_vga_info = {
diff --git a/hw/display/virtio-gpu-base.c b/hw/display/virtio-gpu-base.c
index 55e07995fe..c159351be3 100644
--- a/hw/display/virtio-gpu-base.c
+++ b/hw/display/virtio-gpu-base.c
@@ -203,7 +203,7 @@ virtio_gpu_base_set_features(VirtIODevice *vdev, uint64_t features)
 }
 
 static void
-virtio_gpu_base_device_unrealize(DeviceState *qdev, Error **errp)
+virtio_gpu_base_device_unrealize(DeviceState *qdev)
 {
     VirtIOGPUBase *g = VIRTIO_GPU_BASE(qdev);
 
diff --git a/hw/display/xlnx_dp.c b/hw/display/xlnx_dp.c
index 7058443797..3e5fb44e06 100644
--- a/hw/display/xlnx_dp.c
+++ b/hw/display/xlnx_dp.c
@@ -1237,8 +1237,7 @@ static void xlnx_dp_init(Object *obj)
     object_property_add_link(obj, "dpdma", TYPE_XLNX_DPDMA,
                              (Object **) &s->dpdma,
                              xlnx_dp_set_dpdma,
-                             OBJ_PROP_LINK_STRONG,
-                             &error_abort);
+                             OBJ_PROP_LINK_STRONG);
 
     /*
      * Initialize AUX Bus.
@@ -1249,11 +1248,11 @@ static void xlnx_dp_init(Object *obj)
      * Initialize DPCD and EDID..
      */
     s->dpcd = DPCD(aux_create_slave(s->aux_bus, "dpcd"));
-    object_property_add_child(OBJECT(s), "dpcd", OBJECT(s->dpcd), NULL);
+    object_property_add_child(OBJECT(s), "dpcd", OBJECT(s->dpcd));
 
     s->edid = I2CDDC(qdev_create(BUS(aux_get_i2c_bus(s->aux_bus)), "i2c-ddc"));
     i2c_set_slave_address(I2C_SLAVE(s->edid), 0x50);
-    object_property_add_child(OBJECT(s), "edid", OBJECT(s->edid), NULL);
+    object_property_add_child(OBJECT(s), "edid", OBJECT(s->edid));
 
     fifo8_create(&s->rx_fifo, 16);
     fifo8_create(&s->tx_fifo, 16);
diff --git a/hw/dma/rc4030.c b/hw/dma/rc4030.c
index 7434d274aa..eefbabd758 100644
--- a/hw/dma/rc4030.c
+++ b/hw/dma/rc4030.c
@@ -690,7 +690,7 @@ static void rc4030_realize(DeviceState *dev, Error **errp)
     address_space_init(&s->dma_as, MEMORY_REGION(&s->dma_mr), "rc4030-dma");
 }
 
-static void rc4030_unrealize(DeviceState *dev, Error **errp)
+static void rc4030_unrealize(DeviceState *dev)
 {
     rc4030State *s = RC4030(dev);
 
diff --git a/hw/dma/sparc32_dma.c b/hw/dma/sparc32_dma.c
index 3e4da0c47f..84b9c5dc77 100644
--- a/hw/dma/sparc32_dma.c
+++ b/hw/dma/sparc32_dma.c
@@ -264,7 +264,7 @@ static void sparc32_dma_device_init(Object *obj)
     object_property_add_link(OBJECT(dev), "iommu", TYPE_SUN4M_IOMMU,
                              (Object **) &s->iommu,
                              qdev_prop_allow_set_link_before_realize,
-                             0, NULL);
+                             0);
 
     qdev_init_gpio_in(dev, dma_set_irq, 1);
     qdev_init_gpio_out(dev, s->gpio, 2);
@@ -302,7 +302,7 @@ static void sparc32_espdma_device_realize(DeviceState *dev, Error **errp)
     ESPState *esp;
 
     d = qdev_create(NULL, TYPE_ESP);
-    object_property_add_child(OBJECT(dev), "esp", OBJECT(d), errp);
+    object_property_add_child(OBJECT(dev), "esp", OBJECT(d));
     sysbus = ESP_STATE(d);
     esp = &sysbus->esp;
     esp->dma_memory_read = espdma_memory_read;
@@ -344,7 +344,7 @@ static void sparc32_ledma_device_realize(DeviceState *dev, Error **errp)
     qemu_check_nic_model(nd, TYPE_LANCE);
 
     d = qdev_create(NULL, TYPE_LANCE);
-    object_property_add_child(OBJECT(dev), "lance", OBJECT(d), errp);
+    object_property_add_child(OBJECT(dev), "lance", OBJECT(d));
     qdev_set_nic_properties(d, nd);
     object_property_set_link(OBJECT(d), OBJECT(dev), "dma", errp);
     qdev_init_nofail(d);
@@ -380,7 +380,7 @@ static void sparc32_dma_realize(DeviceState *dev, Error **errp)
 
     espdma = qdev_create(NULL, TYPE_SPARC32_ESPDMA_DEVICE);
     object_property_set_link(OBJECT(espdma), iommu, "iommu", errp);
-    object_property_add_child(OBJECT(s), "espdma", OBJECT(espdma), errp);
+    object_property_add_child(OBJECT(s), "espdma", OBJECT(espdma));
     qdev_init_nofail(espdma);
 
     esp = DEVICE(object_resolve_path_component(OBJECT(espdma), "esp"));
@@ -395,7 +395,7 @@ static void sparc32_dma_realize(DeviceState *dev, Error **errp)
 
     ledma = qdev_create(NULL, TYPE_SPARC32_LEDMA_DEVICE);
     object_property_set_link(OBJECT(ledma), iommu, "iommu", errp);
-    object_property_add_child(OBJECT(s), "ledma", OBJECT(ledma), errp);
+    object_property_add_child(OBJECT(s), "ledma", OBJECT(ledma));
     qdev_init_nofail(ledma);
 
     lance = DEVICE(object_resolve_path_component(OBJECT(ledma), "lance"));
diff --git a/hw/dma/xilinx_axidma.c b/hw/dma/xilinx_axidma.c
index 018f36991b..460102b142 100644
--- a/hw/dma/xilinx_axidma.c
+++ b/hw/dma/xilinx_axidma.c
@@ -33,6 +33,7 @@
 #include "qemu/log.h"
 #include "qemu/module.h"
 
+#include "sysemu/dma.h"
 #include "hw/stream.h"
 
 #define D(x)
@@ -103,13 +104,14 @@ enum {
 };
 
 struct Stream {
+    struct XilinxAXIDMA *dma;
     ptimer_state *ptimer;
     qemu_irq irq;
 
     int nr;
 
+    bool sof;
     struct SDesc desc;
-    int pos;
     unsigned int complete_cnt;
     uint32_t regs[R_MAX];
     uint8_t app[20];
@@ -125,6 +127,9 @@ struct XilinxAXIDMAStreamSlave {
 struct XilinxAXIDMA {
     SysBusDevice busdev;
     MemoryRegion iomem;
+    MemoryRegion *dma_mr;
+    AddressSpace as;
+
     uint32_t freqhz;
     StreamSlave *tx_data_dev;
     StreamSlave *tx_control_dev;
@@ -170,6 +175,7 @@ static void stream_reset(struct Stream *s)
 {
     s->regs[R_DMASR] = DMASR_HALTED;  /* starts up halted.  */
     s->regs[R_DMACR] = 1 << 16; /* Starts with one in compl threshold.  */
+    s->sof = true;
 }
 
 /* Map an offset addr into a channel index.  */
@@ -186,7 +192,7 @@ static void stream_desc_load(struct Stream *s, hwaddr addr)
 {
     struct SDesc *d = &s->desc;
 
-    cpu_physical_memory_read(addr, d, sizeof *d);
+    address_space_read(&s->dma->as, addr, MEMTXATTRS_UNSPECIFIED, d, sizeof *d);
 
     /* Convert from LE into host endianness.  */
     d->buffer_address = le64_to_cpu(d->buffer_address);
@@ -204,7 +210,8 @@ static void stream_desc_store(struct Stream *s, hwaddr addr)
     d->nxtdesc = cpu_to_le64(d->nxtdesc);
     d->control = cpu_to_le32(d->control);
     d->status = cpu_to_le32(d->status);
-    cpu_physical_memory_write(addr, d, sizeof *d);
+    address_space_write(&s->dma->as, addr, MEMTXATTRS_UNSPECIFIED,
+                        d, sizeof *d);
 }
 
 static void stream_update_irq(struct Stream *s)
@@ -261,7 +268,9 @@ static void stream_process_mem2s(struct Stream *s, StreamSlave *tx_data_dev,
                                  StreamSlave *tx_control_dev)
 {
     uint32_t prev_d;
-    unsigned int txlen;
+    uint32_t txlen;
+    uint64_t addr;
+    bool eop;
 
     if (!stream_running(s) || stream_idle(s)) {
         return;
@@ -276,23 +285,26 @@ static void stream_process_mem2s(struct Stream *s, StreamSlave *tx_data_dev,
         }
 
         if (stream_desc_sof(&s->desc)) {
-            s->pos = 0;
-            stream_push(tx_control_dev, s->desc.app, sizeof(s->desc.app));
+            stream_push(tx_control_dev, s->desc.app, sizeof(s->desc.app), true);
         }
 
         txlen = s->desc.control & SDESC_CTRL_LEN_MASK;
-        if ((txlen + s->pos) > sizeof s->txbuf) {
-            hw_error("%s: too small internal txbuf! %d\n", __func__,
-                     txlen + s->pos);
-        }
 
-        cpu_physical_memory_read(s->desc.buffer_address,
-                                 s->txbuf + s->pos, txlen);
-        s->pos += txlen;
+        eop = stream_desc_eof(&s->desc);
+        addr = s->desc.buffer_address;
+        while (txlen) {
+            unsigned int len;
+
+            len = txlen > sizeof s->txbuf ? sizeof s->txbuf : txlen;
+            address_space_read(&s->dma->as, addr,
+                               MEMTXATTRS_UNSPECIFIED,
+                               s->txbuf, len);
+            stream_push(tx_data_dev, s->txbuf, len, eop && len == txlen);
+            txlen -= len;
+            addr += len;
+        }
 
-        if (stream_desc_eof(&s->desc)) {
-            stream_push(tx_data_dev, s->txbuf, s->pos);
-            s->pos = 0;
+        if (eop) {
             stream_complete(s);
         }
 
@@ -311,12 +323,11 @@ static void stream_process_mem2s(struct Stream *s, StreamSlave *tx_data_dev,
 }
 
 static size_t stream_process_s2mem(struct Stream *s, unsigned char *buf,
-                                   size_t len)
+                                   size_t len, bool eop)
 {
     uint32_t prev_d;
     unsigned int rxlen;
     size_t pos = 0;
-    int sof = 1;
 
     if (!stream_running(s) || stream_idle(s)) {
         return 0;
@@ -336,21 +347,22 @@ static size_t stream_process_s2mem(struct Stream *s, unsigned char *buf,
             rxlen = len;
         }
 
-        cpu_physical_memory_write(s->desc.buffer_address, buf + pos, rxlen);
+        address_space_write(&s->dma->as, s->desc.buffer_address,
+                            MEMTXATTRS_UNSPECIFIED, buf + pos, rxlen);
         len -= rxlen;
         pos += rxlen;
 
         /* Update the descriptor.  */
-        if (!len) {
+        if (eop) {
             stream_complete(s);
             memcpy(s->desc.app, s->app, sizeof(s->desc.app));
             s->desc.status |= SDESC_STATUS_EOF;
         }
 
-        s->desc.status |= sof << SDESC_STATUS_SOF_BIT;
+        s->desc.status |= s->sof << SDESC_STATUS_SOF_BIT;
         s->desc.status |= SDESC_STATUS_COMPLETE;
         stream_desc_store(s, s->regs[R_CURDESC]);
-        sof = 0;
+        s->sof = eop;
 
         /* Advance.  */
         prev_d = s->regs[R_CURDESC];
@@ -376,7 +388,7 @@ static void xilinx_axidma_reset(DeviceState *dev)
 
 static size_t
 xilinx_axidma_control_stream_push(StreamSlave *obj, unsigned char *buf,
-                                  size_t len)
+                                  size_t len, bool eop)
 {
     XilinxAXIDMAStreamSlave *cs = XILINX_AXI_DMA_CONTROL_STREAM(obj);
     struct Stream *s = &cs->dma->streams[1];
@@ -408,13 +420,14 @@ xilinx_axidma_data_stream_can_push(StreamSlave *obj,
 }
 
 static size_t
-xilinx_axidma_data_stream_push(StreamSlave *obj, unsigned char *buf, size_t len)
+xilinx_axidma_data_stream_push(StreamSlave *obj, unsigned char *buf, size_t len,
+                               bool eop)
 {
     XilinxAXIDMAStreamSlave *ds = XILINX_AXI_DMA_DATA_STREAM(obj);
     struct Stream *s = &ds->dma->streams[1];
     size_t ret;
 
-    ret = stream_process_s2mem(s, buf, len);
+    ret = stream_process_s2mem(s, buf, len, eop);
     stream_update_irq(s);
     return ret;
 }
@@ -525,37 +538,35 @@ static void xilinx_axidma_realize(DeviceState *dev, Error **errp)
     XilinxAXIDMAStreamSlave *cs = XILINX_AXI_DMA_CONTROL_STREAM(
                                                             &s->rx_control_dev);
     Error *local_err = NULL;
+    int i;
 
     object_property_add_link(OBJECT(ds), "dma", TYPE_XILINX_AXI_DMA,
                              (Object **)&ds->dma,
                              object_property_allow_set_link,
-                             OBJ_PROP_LINK_STRONG,
-                             &local_err);
+                             OBJ_PROP_LINK_STRONG);
     object_property_add_link(OBJECT(cs), "dma", TYPE_XILINX_AXI_DMA,
                              (Object **)&cs->dma,
                              object_property_allow_set_link,
-                             OBJ_PROP_LINK_STRONG,
-                             &local_err);
-    if (local_err) {
-        goto xilinx_axidma_realize_fail;
-    }
+                             OBJ_PROP_LINK_STRONG);
     object_property_set_link(OBJECT(ds), OBJECT(s), "dma", &local_err);
     object_property_set_link(OBJECT(cs), OBJECT(s), "dma", &local_err);
     if (local_err) {
         goto xilinx_axidma_realize_fail;
     }
 
-    int i;
-
     for (i = 0; i < 2; i++) {
         struct Stream *st = &s->streams[i];
 
+        st->dma = s;
         st->nr = i;
         st->ptimer = ptimer_init(timer_hit, st, PTIMER_POLICY_DEFAULT);
         ptimer_transaction_begin(st->ptimer);
         ptimer_set_freq(st->ptimer, s->freqhz);
         ptimer_transaction_commit(st->ptimer);
     }
+
+    address_space_init(&s->as,
+                       s->dma_mr ? s->dma_mr : get_system_memory(), "dma");
     return;
 
 xilinx_axidma_realize_fail:
@@ -575,6 +586,10 @@ static void xilinx_axidma_init(Object *obj)
                             &s->rx_control_dev, sizeof(s->rx_control_dev),
                             TYPE_XILINX_AXI_DMA_CONTROL_STREAM, &error_abort,
                             NULL);
+    object_property_add_link(obj, "dma", TYPE_MEMORY_REGION,
+                             (Object **)&s->dma_mr,
+                             qdev_prop_allow_set_link_before_realize,
+                             OBJ_PROP_LINK_STRONG);
 
     sysbus_init_irq(sbd, &s->streams[0].irq);
     sysbus_init_irq(sbd, &s->streams[1].irq);
diff --git a/hw/dma/xlnx-zdma.c b/hw/dma/xlnx-zdma.c
index 4121a1b489..fa38a55634 100644
--- a/hw/dma/xlnx-zdma.c
+++ b/hw/dma/xlnx-zdma.c
@@ -719,7 +719,7 @@ static uint64_t zdma_read(void *opaque, hwaddr addr, unsigned size)
     RegisterInfo *r = &s->regs_info[addr / 4];
 
     if (!r->data) {
-        gchar *path = object_get_canonical_path(OBJECT(s));
+        char *path = object_get_canonical_path(OBJECT(s));
         qemu_log("%s: Decode error: read from %" HWADDR_PRIx "\n",
                  path,
                  addr);
@@ -738,7 +738,7 @@ static void zdma_write(void *opaque, hwaddr addr, uint64_t value,
     RegisterInfo *r = &s->regs_info[addr / 4];
 
     if (!r->data) {
-        gchar *path = object_get_canonical_path(OBJECT(s));
+        char *path = object_get_canonical_path(OBJECT(s));
         qemu_log("%s: Decode error: write to %" HWADDR_PRIx "=%" PRIx64 "\n",
                  path,
                  addr, value);
@@ -799,8 +799,7 @@ static void zdma_init(Object *obj)
     object_property_add_link(obj, "dma", TYPE_MEMORY_REGION,
                              (Object **)&s->dma_mr,
                              qdev_prop_allow_set_link_before_realize,
-                             OBJ_PROP_LINK_STRONG,
-                             &error_abort);
+                             OBJ_PROP_LINK_STRONG);
 }
 
 static const VMStateDescription vmstate_zdma = {
diff --git a/hw/gpio/aspeed_gpio.c b/hw/gpio/aspeed_gpio.c
index 4c75b5c80c..dfa9db3d33 100644
--- a/hw/gpio/aspeed_gpio.c
+++ b/hw/gpio/aspeed_gpio.c
@@ -873,7 +873,7 @@ static void aspeed_gpio_init(Object *obj)
         name = g_strdup_printf("gpio%s%d", props->group_label[group_idx],
                                pin_idx % GPIOS_PER_GROUP);
         object_property_add(obj, name, "bool", aspeed_gpio_get_pin,
-                            aspeed_gpio_set_pin, NULL, NULL, NULL);
+                            aspeed_gpio_set_pin, NULL, NULL);
         g_free(name);
     }
 }
diff --git a/hw/hyperv/hyperv.c b/hw/hyperv/hyperv.c
index 4ddafe1de1..4b11f7a76b 100644
--- a/hw/hyperv/hyperv.c
+++ b/hw/hyperv/hyperv.c
@@ -131,7 +131,7 @@ void hyperv_synic_add(CPUState *cs)
     obj = object_new(TYPE_SYNIC);
     synic = SYNIC(obj);
     synic->cs = cs;
-    object_property_add_child(OBJECT(cs), "synic", obj, &error_abort);
+    object_property_add_child(OBJECT(cs), "synic", obj);
     object_unref(obj);
     object_property_set_bool(obj, true, "realized", &error_abort);
 }
diff --git a/hw/i2c/imx_i2c.c b/hw/i2c/imx_i2c.c
index 30b9aea247..2e02e1c4fa 100644
--- a/hw/i2c/imx_i2c.c
+++ b/hw/i2c/imx_i2c.c
@@ -305,7 +305,7 @@ static void imx_i2c_realize(DeviceState *dev, Error **errp)
                           IMX_I2C_MEM_SIZE);
     sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->iomem);
     sysbus_init_irq(SYS_BUS_DEVICE(dev), &s->irq);
-    s->bus = i2c_init_bus(DEVICE(dev), NULL);
+    s->bus = i2c_init_bus(dev, NULL);
 }
 
 static void imx_i2c_class_init(ObjectClass *klass, void *data)
diff --git a/hw/i2c/mpc_i2c.c b/hw/i2c/mpc_i2c.c
index 0aa1be3ce7..9a724f3a3e 100644
--- a/hw/i2c/mpc_i2c.c
+++ b/hw/i2c/mpc_i2c.c
@@ -332,7 +332,7 @@ static void mpc_i2c_realize(DeviceState *dev, Error **errp)
     memory_region_init_io(&i2c->iomem, OBJECT(i2c), &i2c_ops, i2c,
                           "mpc-i2c", 0x14);
     sysbus_init_mmio(SYS_BUS_DEVICE(dev), &i2c->iomem);
-    i2c->bus = i2c_init_bus(DEVICE(dev), "i2c");
+    i2c->bus = i2c_init_bus(dev, "i2c");
 }
 
 static void mpc_i2c_class_init(ObjectClass *klass, void *data)
diff --git a/hw/i386/kvm/apic.c b/hw/i386/kvm/apic.c
index 91fb622d63..4eb2d77b87 100644
--- a/hw/i386/kvm/apic.c
+++ b/hw/i386/kvm/apic.c
@@ -230,7 +230,7 @@ static void kvm_apic_realize(DeviceState *dev, Error **errp)
     }
 }
 
-static void kvm_apic_unrealize(DeviceState *dev, Error **errp)
+static void kvm_apic_unrealize(DeviceState *dev)
 {
 }
 
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 38d8e51703..937db10ae6 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -510,47 +510,42 @@ static void microvm_class_init(ObjectClass *oc, void *data)
     object_class_property_add(oc, MICROVM_MACHINE_PIC, "OnOffAuto",
                               microvm_machine_get_pic,
                               microvm_machine_set_pic,
-                              NULL, NULL, &error_abort);
+                              NULL, NULL);
     object_class_property_set_description(oc, MICROVM_MACHINE_PIC,
-        "Enable i8259 PIC", &error_abort);
+        "Enable i8259 PIC");
 
     object_class_property_add(oc, MICROVM_MACHINE_PIT, "OnOffAuto",
                               microvm_machine_get_pit,
                               microvm_machine_set_pit,
-                              NULL, NULL, &error_abort);
+                              NULL, NULL);
     object_class_property_set_description(oc, MICROVM_MACHINE_PIT,
-        "Enable i8254 PIT", &error_abort);
+        "Enable i8254 PIT");
 
     object_class_property_add(oc, MICROVM_MACHINE_RTC, "OnOffAuto",
                               microvm_machine_get_rtc,
                               microvm_machine_set_rtc,
-                              NULL, NULL, &error_abort);
+                              NULL, NULL);
     object_class_property_set_description(oc, MICROVM_MACHINE_RTC,
-        "Enable MC146818 RTC", &error_abort);
+        "Enable MC146818 RTC");
 
     object_class_property_add_bool(oc, MICROVM_MACHINE_ISA_SERIAL,
                                    microvm_machine_get_isa_serial,
-                                   microvm_machine_set_isa_serial,
-                                   &error_abort);
+                                   microvm_machine_set_isa_serial);
     object_class_property_set_description(oc, MICROVM_MACHINE_ISA_SERIAL,
-        "Set off to disable the instantiation an ISA serial port",
-        &error_abort);
+        "Set off to disable the instantiation an ISA serial port");
 
     object_class_property_add_bool(oc, MICROVM_MACHINE_OPTION_ROMS,
                                    microvm_machine_get_option_roms,
-                                   microvm_machine_set_option_roms,
-                                   &error_abort);
+                                   microvm_machine_set_option_roms);
     object_class_property_set_description(oc, MICROVM_MACHINE_OPTION_ROMS,
-        "Set off to disable loading option ROMs", &error_abort);
+        "Set off to disable loading option ROMs");
 
     object_class_property_add_bool(oc, MICROVM_MACHINE_AUTO_KERNEL_CMDLINE,
                                    microvm_machine_get_auto_kernel_cmdline,
-                                   microvm_machine_set_auto_kernel_cmdline,
-                                   &error_abort);
+                                   microvm_machine_set_auto_kernel_cmdline);
     object_class_property_set_description(oc,
         MICROVM_MACHINE_AUTO_KERNEL_CMDLINE,
-        "Set off to disable adding virtio-mmio devices to the kernel cmdline",
-        &error_abort);
+        "Set off to disable adding virtio-mmio devices to the kernel cmdline");
 }
 
 static const TypeInfo microvm_machine_info = {
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 97e345faea..2128f3d6fe 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -662,7 +662,7 @@ void pc_cmos_init(PCMachineState *pcms,
                              TYPE_ISA_DEVICE,
                              (Object **)&x86ms->rtc,
                              object_property_allow_set_link,
-                             OBJ_PROP_LINK_STRONG, &error_abort);
+                             OBJ_PROP_LINK_STRONG);
     object_property_set_link(OBJECT(pcms), OBJECT(s),
                              "rtc_state", &error_abort);
 
@@ -1385,7 +1385,7 @@ static void pc_memory_unplug(HotplugHandler *hotplug_dev,
     }
 
     pc_dimm_unplug(PC_DIMM(dev), MACHINE(pcms));
-    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
  out:
     error_propagate(errp, local_err);
 }
@@ -1493,7 +1493,7 @@ static void pc_cpu_unplug_cb(HotplugHandler *hotplug_dev,
 
     found_cpu = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, NULL);
     found_cpu->cpu = NULL;
-    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
 
     /* decrement the number of CPUs */
     x86ms->boot_cpus--;
@@ -1965,22 +1965,22 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
 
     object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int",
         pc_machine_get_device_memory_region_size, NULL,
-        NULL, NULL, &error_abort);
+        NULL, NULL);
 
     object_class_property_add(oc, PC_MACHINE_VMPORT, "OnOffAuto",
         pc_machine_get_vmport, pc_machine_set_vmport,
-        NULL, NULL, &error_abort);
+        NULL, NULL);
     object_class_property_set_description(oc, PC_MACHINE_VMPORT,
-        "Enable vmport (pc & q35)", &error_abort);
+        "Enable vmport (pc & q35)");
 
     object_class_property_add_bool(oc, PC_MACHINE_SMBUS,
-        pc_machine_get_smbus, pc_machine_set_smbus, &error_abort);
+        pc_machine_get_smbus, pc_machine_set_smbus);
 
     object_class_property_add_bool(oc, PC_MACHINE_SATA,
-        pc_machine_get_sata, pc_machine_set_sata, &error_abort);
+        pc_machine_get_sata, pc_machine_set_sata);
 
     object_class_property_add_bool(oc, PC_MACHINE_PIT,
-        pc_machine_get_pit, pc_machine_set_pit, &error_abort);
+        pc_machine_get_pit, pc_machine_set_pit);
 }
 
 static const TypeInfo pc_machine_info = {
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 3862e5120e..f66e1d73ce 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -291,7 +291,7 @@ static void pc_init1(MachineState *machine,
                                  TYPE_HOTPLUG_HANDLER,
                                  (Object **)&pcms->acpi_dev,
                                  object_property_allow_set_link,
-                                 OBJ_PROP_LINK_STRONG, &error_abort);
+                                 OBJ_PROP_LINK_STRONG);
         object_property_set_link(OBJECT(machine), OBJECT(piix4_pm),
                                  PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
     }
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 3349e38a4c..4ba8ac8774 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -214,7 +214,7 @@ static void pc_q35_init(MachineState *machine)
     /* create pci host bus */
     q35_host = Q35_HOST_DEVICE(qdev_create(NULL, TYPE_Q35_HOST_DEVICE));
 
-    object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host), NULL);
+    object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host));
     object_property_set_link(OBJECT(q35_host), OBJECT(ram_memory),
                              MCH_HOST_PROP_RAM_MEM, NULL);
     object_property_set_link(OBJECT(q35_host), OBJECT(pci_memory),
@@ -240,7 +240,7 @@ static void pc_q35_init(MachineState *machine)
                              TYPE_HOTPLUG_HANDLER,
                              (Object **)&pcms->acpi_dev,
                              object_property_allow_set_link,
-                             OBJ_PROP_LINK_STRONG, &error_abort);
+                             OBJ_PROP_LINK_STRONG);
     object_property_set_link(OBJECT(machine), OBJECT(lpc),
                              PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
 
diff --git a/hw/i386/pc_sysfw.c b/hw/i386/pc_sysfw.c
index f5f3f466b0..2abab3a27c 100644
--- a/hw/i386/pc_sysfw.c
+++ b/hw/i386/pc_sysfw.c
@@ -90,10 +90,9 @@ static PFlashCFI01 *pc_pflash_create(PCMachineState *pcms,
     qdev_prop_set_uint64(dev, "sector-length", FLASH_SECTOR_SIZE);
     qdev_prop_set_uint8(dev, "width", 1);
     qdev_prop_set_string(dev, "name", name);
-    object_property_add_child(OBJECT(pcms), name, OBJECT(dev),
-                              &error_abort);
+    object_property_add_child(OBJECT(pcms), name, OBJECT(dev));
     object_property_add_alias(OBJECT(pcms), alias_prop_name,
-                              OBJECT(dev), "drive", &error_abort);
+                              OBJECT(dev), "drive");
     return PFLASH_CFI01(dev);
 }
 
@@ -121,7 +120,7 @@ static void pc_system_flash_cleanup_unused(PCMachineState *pcms)
         dev_obj = OBJECT(pcms->flash[i]);
         if (!object_property_get_bool(dev_obj, "realized", &error_abort)) {
             prop_name = g_strdup_printf("pflash%d", i);
-            object_property_del(OBJECT(pcms), prop_name, &error_abort);
+            object_property_del(OBJECT(pcms), prop_name);
             g_free(prop_name);
             object_unparent(dev_obj);
             pcms->flash[i] = NULL;
diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index b82770024c..7a3bc7ab66 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -350,7 +350,7 @@ void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name)
         dev = qdev_create(NULL, TYPE_IOAPIC);
     }
     object_property_add_child(object_resolve_path(parent_name, NULL),
-                              "ioapic", OBJECT(dev), NULL);
+                              "ioapic", OBJECT(dev));
     qdev_init_nofail(dev);
     d = SYS_BUS_DEVICE(dev);
     sysbus_mmio_map(d, 0, IO_APIC_DEFAULT_ADDRESS);
@@ -982,21 +982,21 @@ static void x86_machine_class_init(ObjectClass *oc, void *data)
 
     object_class_property_add(oc, X86_MACHINE_MAX_RAM_BELOW_4G, "size",
         x86_machine_get_max_ram_below_4g, x86_machine_set_max_ram_below_4g,
-        NULL, NULL, &error_abort);
+        NULL, NULL);
     object_class_property_set_description(oc, X86_MACHINE_MAX_RAM_BELOW_4G,
-        "Maximum ram below the 4G boundary (32bit boundary)", &error_abort);
+        "Maximum ram below the 4G boundary (32bit boundary)");
 
     object_class_property_add(oc, X86_MACHINE_SMM, "OnOffAuto",
         x86_machine_get_smm, x86_machine_set_smm,
-        NULL, NULL, &error_abort);
+        NULL, NULL);
     object_class_property_set_description(oc, X86_MACHINE_SMM,
-        "Enable SMM", &error_abort);
+        "Enable SMM");
 
     object_class_property_add(oc, X86_MACHINE_ACPI, "OnOffAuto",
         x86_machine_get_acpi, x86_machine_set_acpi,
-        NULL, NULL, &error_abort);
+        NULL, NULL);
     object_class_property_set_description(oc, X86_MACHINE_ACPI,
-        "Enable ACPI", &error_abort);
+        "Enable ACPI");
 }
 
 static const TypeInfo x86_machine_info = {
diff --git a/hw/ide/ahci-allwinner.c b/hw/ide/ahci-allwinner.c
index bb8393d2b6..8536b9eb5a 100644
--- a/hw/ide/ahci-allwinner.c
+++ b/hw/ide/ahci-allwinner.c
@@ -90,7 +90,7 @@ static void allwinner_ahci_init(Object *obj)
     SysbusAHCIState *s = SYSBUS_AHCI(obj);
     AllwinnerAHCIState *a = ALLWINNER_AHCI(obj);
 
-    memory_region_init_io(&a->mmio, OBJECT(obj), &allwinner_ahci_mem_ops, a,
+    memory_region_init_io(&a->mmio, obj, &allwinner_ahci_mem_ops, a,
                           "allwinner-ahci", ALLWINNER_AHCI_MMIO_SIZE);
     memory_region_add_subregion(&s->ahci.mem, ALLWINNER_AHCI_MMIO_OFF,
                                 &a->mmio);
diff --git a/hw/ide/macio.c b/hw/ide/macio.c
index a9f25e5d02..30af0e93e6 100644
--- a/hw/ide/macio.c
+++ b/hw/ide/macio.c
@@ -459,7 +459,7 @@ static void macio_ide_initfn(Object *obj)
 
     object_property_add_link(obj, "dbdma", TYPE_MAC_DBDMA,
                              (Object **) &s->dbdma,
-                             qdev_prop_allow_set_link_before_realize, 0, NULL);
+                             qdev_prop_allow_set_link_before_realize, 0);
 }
 
 static Property macio_ide_properties[] = {
diff --git a/hw/ide/piix.c b/hw/ide/piix.c
index 3b2de4c312..b402a93636 100644
--- a/hw/ide/piix.c
+++ b/hw/ide/piix.c
@@ -193,7 +193,7 @@ int pci_piix3_xen_ide_unplug(DeviceState *dev, bool aux)
             blk_unref(blk);
         }
     }
-    qdev_reset_all(DEVICE(dev));
+    qdev_reset_all(dev);
     return 0;
 }
 
diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
index c22afdb8ee..06b11583f5 100644
--- a/hw/ide/qdev.c
+++ b/hw/ide/qdev.c
@@ -36,7 +36,7 @@
 /* --------------------------------- */
 
 static char *idebus_get_fw_dev_path(DeviceState *dev);
-static void idebus_unrealize(BusState *qdev, Error **errp);
+static void idebus_unrealize(BusState *qdev);
 
 static Property ide_props[] = {
     DEFINE_PROP_UINT32("unit", IDEDevice, unit, -1),
@@ -51,7 +51,7 @@ static void ide_bus_class_init(ObjectClass *klass, void *data)
     k->unrealize = idebus_unrealize;
 }
 
-static void idebus_unrealize(BusState *bus, Error **errp)
+static void idebus_unrealize(BusState *bus)
 {
     IDEBus *ibus = IDE_BUS(bus);
 
@@ -266,7 +266,7 @@ static void ide_dev_instance_init(Object *obj)
 {
     object_property_add(obj, "bootindex", "int32",
                         ide_dev_get_bootindex,
-                        ide_dev_set_bootindex, NULL, NULL, NULL);
+                        ide_dev_set_bootindex, NULL, NULL);
     object_property_set_int(obj, -1, "bootindex", NULL);
 }
 
diff --git a/hw/input/vhost-user-input.c b/hw/input/vhost-user-input.c
index 544452a234..63984a8ba7 100644
--- a/hw/input/vhost-user-input.c
+++ b/hw/input/vhost-user-input.c
@@ -101,7 +101,7 @@ static void vhost_input_init(Object *obj)
 
     vhi->vhost = VHOST_USER_BACKEND(object_new(TYPE_VHOST_USER_BACKEND));
     object_property_add_alias(obj, "chardev",
-                              OBJECT(vhi->vhost), "chardev", &error_abort);
+                              OBJECT(vhi->vhost), "chardev");
 }
 
 static void vhost_input_finalize(Object *obj)
diff --git a/hw/input/virtio-input-hid.c b/hw/input/virtio-input-hid.c
index e8ae6c148a..09cf260985 100644
--- a/hw/input/virtio-input-hid.c
+++ b/hw/input/virtio-input-hid.c
@@ -165,7 +165,7 @@ static void virtio_input_hid_realize(DeviceState *dev, Error **errp)
     }
 }
 
-static void virtio_input_hid_unrealize(DeviceState *dev, Error **errp)
+static void virtio_input_hid_unrealize(DeviceState *dev)
 {
     VirtIOInputHID *vhid = VIRTIO_INPUT_HID(dev);
     qemu_input_handler_unregister(vhid->hs);
diff --git a/hw/input/virtio-input-host.c b/hw/input/virtio-input-host.c
index f2ab6df676..85daf73f1a 100644
--- a/hw/input/virtio-input-host.c
+++ b/hw/input/virtio-input-host.c
@@ -178,7 +178,7 @@ err_close:
     return;
 }
 
-static void virtio_input_host_unrealize(DeviceState *dev, Error **errp)
+static void virtio_input_host_unrealize(DeviceState *dev)
 {
     VirtIOInputHost *vih = VIRTIO_INPUT_HOST(dev);
 
diff --git a/hw/input/virtio-input.c b/hw/input/virtio-input.c
index 4d49790f50..54bcb46c74 100644
--- a/hw/input/virtio-input.c
+++ b/hw/input/virtio-input.c
@@ -276,19 +276,14 @@ static void virtio_input_finalize(Object *obj)
     g_free(vinput->queue);
 }
 
-static void virtio_input_device_unrealize(DeviceState *dev, Error **errp)
+static void virtio_input_device_unrealize(DeviceState *dev)
 {
     VirtIOInputClass *vic = VIRTIO_INPUT_GET_CLASS(dev);
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIOInput *vinput = VIRTIO_INPUT(dev);
-    Error *local_err = NULL;
 
     if (vic->unrealize) {
-        vic->unrealize(dev, &local_err);
-        if (local_err) {
-            error_propagate(errp, local_err);
-            return;
-        }
+        vic->unrealize(dev);
     }
     virtio_delete_queue(vinput->evt);
     virtio_delete_queue(vinput->sts);
diff --git a/hw/intc/apic.c b/hw/intc/apic.c
index bd40467965..6b46839ef4 100644
--- a/hw/intc/apic.c
+++ b/hw/intc/apic.c
@@ -900,7 +900,7 @@ static void apic_realize(DeviceState *dev, Error **errp)
     msi_nonbroken = true;
 }
 
-static void apic_unrealize(DeviceState *dev, Error **errp)
+static void apic_unrealize(DeviceState *dev)
 {
     APICCommonState *s = APIC(dev);
 
diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
index 9ec0f2deb2..7da2862b3d 100644
--- a/hw/intc/apic_common.c
+++ b/hw/intc/apic_common.c
@@ -293,13 +293,13 @@ static void apic_common_realize(DeviceState *dev, Error **errp)
                                    s, -1, 0, NULL);
 }
 
-static void apic_common_unrealize(DeviceState *dev, Error **errp)
+static void apic_common_unrealize(DeviceState *dev)
 {
     APICCommonState *s = APIC_COMMON(dev);
     APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
 
     vmstate_unregister(NULL, &vmstate_apic_common, s);
-    info->unrealize(dev, errp);
+    info->unrealize(dev);
 
     if (apic_report_tpr_access && info->enable_tpr_reporting) {
         info->enable_tpr_reporting(s, false);
@@ -445,7 +445,7 @@ static void apic_common_initfn(Object *obj)
     s->id = s->initial_apic_id = -1;
     object_property_add(obj, "id", "uint32",
                         apic_common_get_id,
-                        apic_common_set_id, NULL, NULL, NULL);
+                        apic_common_set_id, NULL, NULL);
 }
 
 static void apic_common_class_init(ObjectClass *klass, void *data)
diff --git a/hw/intc/ioapic.c b/hw/intc/ioapic.c
index 15747fe2c2..ffe30dc457 100644
--- a/hw/intc/ioapic.c
+++ b/hw/intc/ioapic.c
@@ -451,7 +451,7 @@ static void ioapic_realize(DeviceState *dev, Error **errp)
     qemu_add_machine_init_done_notifier(&s->machine_done);
 }
 
-static void ioapic_unrealize(DeviceState *dev, Error **errp)
+static void ioapic_unrealize(DeviceState *dev)
 {
     IOAPICCommonState *s = IOAPIC_COMMON(dev);
 
diff --git a/hw/intc/s390_flic.c b/hw/intc/s390_flic.c
index 5f290f5410..baca4d8a2d 100644
--- a/hw/intc/s390_flic.c
+++ b/hw/intc/s390_flic.c
@@ -65,11 +65,11 @@ void s390_flic_init(void)
     if (kvm_enabled()) {
         dev = qdev_create(NULL, TYPE_KVM_S390_FLIC);
         object_property_add_child(qdev_get_machine(), TYPE_KVM_S390_FLIC,
-                                  OBJECT(dev), NULL);
+                                  OBJECT(dev));
     } else {
         dev = qdev_create(NULL, TYPE_QEMU_S390_FLIC);
         object_property_add_child(qdev_get_machine(), TYPE_QEMU_S390_FLIC,
-                                  OBJECT(dev), NULL);
+                                  OBJECT(dev));
     }
     qdev_init_nofail(dev);
 }
diff --git a/hw/intc/xics.c b/hw/intc/xics.c
index c5d507e707..d5032c8f8a 100644
--- a/hw/intc/xics.c
+++ b/hw/intc/xics.c
@@ -338,7 +338,7 @@ static void icp_realize(DeviceState *dev, Error **errp)
     vmstate_register(NULL, icp->cs->cpu_index, &vmstate_icp_server, icp);
 }
 
-static void icp_unrealize(DeviceState *dev, Error **errp)
+static void icp_unrealize(DeviceState *dev)
 {
     ICPState *icp = ICP(dev);
 
@@ -380,7 +380,7 @@ Object *icp_create(Object *cpu, const char *type, XICSFabric *xi, Error **errp)
     Object *obj;
 
     obj = object_new(type);
-    object_property_add_child(cpu, type, obj, &error_abort);
+    object_property_add_child(cpu, type, obj);
     object_unref(obj);
     object_property_set_link(obj, OBJECT(xi), ICP_PROP_XICS, &error_abort);
     object_property_set_link(obj, cpu, ICP_PROP_CPU, &error_abort);
diff --git a/hw/intc/xive.c b/hw/intc/xive.c
index d6183f8ae4..8f2b4050cb 100644
--- a/hw/intc/xive.c
+++ b/hw/intc/xive.c
@@ -761,7 +761,7 @@ Object *xive_tctx_create(Object *cpu, XivePresenter *xptr, Error **errp)
     Object *obj;
 
     obj = object_new(TYPE_XIVE_TCTX);
-    object_property_add_child(cpu, TYPE_XIVE_TCTX, obj, &error_abort);
+    object_property_add_child(cpu, TYPE_XIVE_TCTX, obj);
     object_unref(obj);
     object_property_set_link(obj, cpu, "cpu", &error_abort);
     object_property_set_link(obj, OBJECT(xptr), "presenter", &error_abort);
diff --git a/hw/ipack/ipack.c b/hw/ipack/ipack.c
index 49787a13bc..f19ecaeb1c 100644
--- a/hw/ipack/ipack.c
+++ b/hw/ipack/ipack.c
@@ -60,15 +60,13 @@ static void ipack_device_realize(DeviceState *dev, Error **errp)
     k->realize(dev, errp);
 }
 
-static void ipack_device_unrealize(DeviceState *dev, Error **errp)
+static void ipack_device_unrealize(DeviceState *dev)
 {
     IPackDevice *idev = IPACK_DEVICE(dev);
     IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev);
-    Error *err = NULL;
 
     if (k->unrealize) {
-        k->unrealize(dev, &err);
-        error_propagate(errp, err);
+        k->unrealize(dev);
         return;
     }
 
diff --git a/hw/ipmi/ipmi.c b/hw/ipmi/ipmi.c
index 46c6a79527..8d35c9fdd6 100644
--- a/hw/ipmi/ipmi.c
+++ b/hw/ipmi/ipmi.c
@@ -105,8 +105,7 @@ void ipmi_bmc_find_and_link(Object *obj, Object **bmc)
 {
     object_property_add_link(obj, "bmc", TYPE_IPMI_BMC, bmc,
                              isa_ipmi_bmc_check,
-                             OBJ_PROP_LINK_STRONG,
-                             &error_abort);
+                             OBJ_PROP_LINK_STRONG);
 }
 
 static Property ipmi_bmc_properties[] = {
diff --git a/hw/ipmi/smbus_ipmi.c b/hw/ipmi/smbus_ipmi.c
index 2a9470d9df..f1a0148755 100644
--- a/hw/ipmi/smbus_ipmi.c
+++ b/hw/ipmi/smbus_ipmi.c
@@ -329,7 +329,7 @@ static void smbus_ipmi_init(Object *obj)
 {
     SMBusIPMIDevice *sid = SMBUS_IPMI(obj);
 
-    ipmi_bmc_find_and_link(OBJECT(obj), (Object **) &sid->bmc);
+    ipmi_bmc_find_and_link(obj, (Object **) &sid->bmc);
 }
 
 static void smbus_ipmi_get_fwinfo(struct IPMIInterface *ii, IPMIFwInfo *info)
diff --git a/hw/isa/isa-superio.c b/hw/isa/isa-superio.c
index 180a8b9625..3dcdc234a4 100644
--- a/hw/isa/isa-superio.c
+++ b/hw/isa/isa-superio.c
@@ -62,6 +62,7 @@ static void isa_superio_realize(DeviceState *dev, Error **errp)
                 qdev_prop_set_uint32(d, "irq", k->parallel.get_irq(sio, i));
             }
             qdev_prop_set_chr(d, "chardev", chr);
+            object_property_add_child(OBJECT(dev), name, OBJECT(isa));
             qdev_init_nofail(d);
             sio->parallel[i] = isa;
             trace_superio_create_parallel(i,
@@ -69,8 +70,6 @@ static void isa_superio_realize(DeviceState *dev, Error **errp)
                                           k->parallel.get_iobase(sio, i) : -1,
                                           k->parallel.get_irq ?
                                           k->parallel.get_irq(sio, i) : -1);
-            object_property_add_child(OBJECT(dev), name,
-                                      OBJECT(sio->parallel[i]), NULL);
             g_free(name);
         }
     }
@@ -102,6 +101,7 @@ static void isa_superio_realize(DeviceState *dev, Error **errp)
                 qdev_prop_set_uint32(d, "irq", k->serial.get_irq(sio, i));
             }
             qdev_prop_set_chr(d, "chardev", chr);
+            object_property_add_child(OBJECT(dev), name, OBJECT(isa));
             qdev_init_nofail(d);
             sio->serial[i] = isa;
             trace_superio_create_serial(i,
@@ -109,8 +109,6 @@ static void isa_superio_realize(DeviceState *dev, Error **errp)
                                         k->serial.get_iobase(sio, i) : -1,
                                         k->serial.get_irq ?
                                         k->serial.get_irq(sio, i) : -1);
-            object_property_add_child(OBJECT(dev), name,
-                                      OBJECT(sio->serial[0]), NULL);
             g_free(name);
         }
     }
@@ -137,6 +135,7 @@ static void isa_superio_realize(DeviceState *dev, Error **errp)
             qdev_prop_set_drive(d, "driveB", blk_by_legacy_dinfo(drive),
                                 &error_fatal);
         }
+        object_property_add_child(OBJECT(sio), "isa-fdc", OBJECT(isa));
         qdev_init_nofail(d);
         sio->floppy = isa;
         trace_superio_create_floppy(0,
@@ -147,7 +146,10 @@ static void isa_superio_realize(DeviceState *dev, Error **errp)
     }
 
     /* Keyboard, mouse */
-    sio->kbc = isa_create_simple(bus, TYPE_I8042);
+    isa = isa_create(bus, TYPE_I8042);
+    object_property_add_child(OBJECT(sio), TYPE_I8042, OBJECT(isa));
+    qdev_init_nofail(DEVICE(isa));
+    sio->kbc = isa;
 
     /* IDE */
     if (k->ide.count && (!k->ide.is_enabled || k->ide.is_enabled(sio, 0))) {
@@ -163,6 +165,7 @@ static void isa_superio_realize(DeviceState *dev, Error **errp)
             qdev_prop_set_uint32(d, "irq", k->ide.get_irq(sio, 0));
         }
         qdev_init_nofail(d);
+        object_property_add_child(OBJECT(sio), "isa-ide", OBJECT(isa));
         sio->ide = isa;
         trace_superio_create_ide(0,
                                  k->ide.get_iobase ?
diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
index fbc3165d03..cd6e169d47 100644
--- a/hw/isa/lpc_ich9.c
+++ b/hw/isa/lpc_ich9.c
@@ -633,13 +633,13 @@ static void ich9_lpc_initfn(Object *obj)
     static const uint8_t acpi_disable_cmd = ICH9_APM_ACPI_DISABLE;
 
     object_property_add_uint8_ptr(obj, ACPI_PM_PROP_SCI_INT,
-                                  &lpc->sci_gsi, OBJ_PROP_FLAG_READ, NULL);
+                                  &lpc->sci_gsi, OBJ_PROP_FLAG_READ);
     object_property_add_uint8_ptr(OBJECT(lpc), ACPI_PM_PROP_ACPI_ENABLE_CMD,
-                                  &acpi_enable_cmd, OBJ_PROP_FLAG_READ, NULL);
+                                  &acpi_enable_cmd, OBJ_PROP_FLAG_READ);
     object_property_add_uint8_ptr(OBJECT(lpc), ACPI_PM_PROP_ACPI_DISABLE_CMD,
-                                  &acpi_disable_cmd, OBJ_PROP_FLAG_READ, NULL);
+                                  &acpi_disable_cmd, OBJ_PROP_FLAG_READ);
 
-    ich9_pm_add_properties(obj, &lpc->pm, NULL);
+    ich9_pm_add_properties(obj, &lpc->pm);
 }
 
 static void ich9_lpc_realize(PCIDevice *d, Error **errp)
diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c
index 8e426d24bb..c5adedcc69 100644
--- a/hw/mem/nvdimm.c
+++ b/hw/mem/nvdimm.c
@@ -110,10 +110,10 @@ static void nvdimm_init(Object *obj)
 {
     object_property_add(obj, NVDIMM_LABEL_SIZE_PROP, "int",
                         nvdimm_get_label_size, nvdimm_set_label_size, NULL,
-                        NULL, NULL);
+                        NULL);
 
     object_property_add(obj, NVDIMM_UUID_PROP, "QemuUUID", nvdimm_get_uuid,
-                        nvdimm_set_uuid, NULL, NULL, NULL);
+                        nvdimm_set_uuid, NULL, NULL);
 }
 
 static void nvdimm_finalize(Object *obj)
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index 6d62588fea..f2a86ec4ee 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -165,7 +165,7 @@ static void pc_dimm_get_size(Object *obj, Visitor *v, const char *name,
 static void pc_dimm_init(Object *obj)
 {
     object_property_add(obj, PC_DIMM_SIZE_PROP, "uint64", pc_dimm_get_size,
-                        NULL, NULL, NULL, &error_abort);
+                        NULL, NULL, NULL);
 }
 
 static void pc_dimm_realize(DeviceState *dev, Error **errp)
@@ -199,7 +199,7 @@ static void pc_dimm_realize(DeviceState *dev, Error **errp)
     host_memory_backend_set_mapped(dimm->hostmem, true);
 }
 
-static void pc_dimm_unrealize(DeviceState *dev, Error **errp)
+static void pc_dimm_unrealize(DeviceState *dev)
 {
     PCDIMMDevice *dimm = PC_DIMM(dev);
 
diff --git a/hw/microblaze/petalogix_ml605_mmu.c b/hw/microblaze/petalogix_ml605_mmu.c
index 0a2640c40b..05a5614a04 100644
--- a/hw/microblaze/petalogix_ml605_mmu.c
+++ b/hw/microblaze/petalogix_ml605_mmu.c
@@ -138,10 +138,8 @@ petalogix_ml605_init(MachineState *machine)
     dma = qdev_create(NULL, "xlnx.axi-dma");
 
     /* FIXME: attach to the sysbus instead */
-    object_property_add_child(qdev_get_machine(), "xilinx-eth", OBJECT(eth0),
-                              NULL);
-    object_property_add_child(qdev_get_machine(), "xilinx-dma", OBJECT(dma),
-                              NULL);
+    object_property_add_child(qdev_get_machine(), "xilinx-eth", OBJECT(eth0));
+    object_property_add_child(qdev_get_machine(), "xilinx-dma", OBJECT(dma));
 
     ds = object_property_get_link(OBJECT(dma),
                                   "axistream-connected-target", NULL);
@@ -150,9 +148,9 @@ petalogix_ml605_init(MachineState *machine)
     qdev_set_nic_properties(eth0, &nd_table[0]);
     qdev_prop_set_uint32(eth0, "rxmem", 0x1000);
     qdev_prop_set_uint32(eth0, "txmem", 0x1000);
-    object_property_set_link(OBJECT(eth0), OBJECT(ds),
+    object_property_set_link(OBJECT(eth0), ds,
                              "axistream-connected", &error_abort);
-    object_property_set_link(OBJECT(eth0), OBJECT(cs),
+    object_property_set_link(OBJECT(eth0), cs,
                              "axistream-control-connected", &error_abort);
     qdev_init_nofail(eth0);
     sysbus_mmio_map(SYS_BUS_DEVICE(eth0), 0, AXIENET_BASEADDR);
@@ -163,9 +161,9 @@ petalogix_ml605_init(MachineState *machine)
     cs = object_property_get_link(OBJECT(eth0),
                                   "axistream-control-connected-target", NULL);
     qdev_prop_set_uint32(dma, "freqhz", 100 * 1000000);
-    object_property_set_link(OBJECT(dma), OBJECT(ds),
+    object_property_set_link(OBJECT(dma), ds,
                              "axistream-connected", &error_abort);
-    object_property_set_link(OBJECT(dma), OBJECT(cs),
+    object_property_set_link(OBJECT(dma), cs,
                              "axistream-control-connected", &error_abort);
     qdev_init_nofail(dma);
     sysbus_mmio_map(SYS_BUS_DEVICE(dma), 0, AXIDMA_BASEADDR);
diff --git a/hw/misc/aspeed_sdmc.c b/hw/misc/aspeed_sdmc.c
index 14db9cfc1f..25e1e58356 100644
--- a/hw/misc/aspeed_sdmc.c
+++ b/hw/misc/aspeed_sdmc.c
@@ -250,7 +250,7 @@ static void aspeed_sdmc_initfn(Object *obj)
 {
     object_property_add(obj, "ram-size", "int",
                         aspeed_sdmc_get_ram_size, aspeed_sdmc_set_ram_size,
-                        NULL, NULL, NULL);
+                        NULL, NULL);
 }
 
 static void aspeed_sdmc_realize(DeviceState *dev, Error **errp)
diff --git a/hw/misc/edu.c b/hw/misc/edu.c
index ff10f5b794..ec617e63f3 100644
--- a/hw/misc/edu.c
+++ b/hw/misc/edu.c
@@ -402,8 +402,7 @@ static void edu_instance_init(Object *obj)
 
     edu->dma_mask = (1UL << 28) - 1;
     object_property_add_uint64_ptr(obj, "dma_mask",
-                                   &edu->dma_mask, OBJ_PROP_FLAG_READWRITE,
-                                   NULL);
+                                   &edu->dma_mask, OBJ_PROP_FLAG_READWRITE);
 }
 
 static void edu_class_init(ObjectClass *class, void *data)
diff --git a/hw/misc/mac_via.c b/hw/misc/mac_via.c
index 81343301b1..e05623d730 100644
--- a/hw/misc/mac_via.c
+++ b/hw/misc/mac_via.c
@@ -885,10 +885,10 @@ static void mac_via_realize(DeviceState *dev, Error **errp)
     /* Pass through mos6522 output IRQs */
     ms = MOS6522(&m->mos6522_via1);
     object_property_add_alias(OBJECT(dev), "irq[0]", OBJECT(ms),
-                              SYSBUS_DEVICE_GPIO_IRQ "[0]", &error_abort);
+                              SYSBUS_DEVICE_GPIO_IRQ "[0]");
     ms = MOS6522(&m->mos6522_via2);
     object_property_add_alias(OBJECT(dev), "irq[1]", OBJECT(ms),
-                              SYSBUS_DEVICE_GPIO_IRQ "[0]", &error_abort);
+                              SYSBUS_DEVICE_GPIO_IRQ "[0]");
 
     /* Pass through mos6522 input IRQs */
     qdev_pass_gpios(DEVICE(&m->mos6522_via1), dev, "via1-irq");
diff --git a/hw/misc/macio/gpio.c b/hw/misc/macio/gpio.c
index 6cca6b27d6..0fef8fb335 100644
--- a/hw/misc/macio/gpio.c
+++ b/hw/misc/macio/gpio.c
@@ -170,7 +170,7 @@ static void macio_gpio_init(Object *obj)
     object_property_add_link(obj, "pic", TYPE_OPENPIC,
                              (Object **) &s->pic,
                              qdev_prop_allow_set_link_before_realize,
-                             0, NULL);
+                             0);
 
     memory_region_init_io(&s->gpiomem, OBJECT(s), &macio_gpio_ops, obj,
                           "gpio", 0x30);
diff --git a/hw/misc/macio/macio.c b/hw/misc/macio/macio.c
index 79222192e8..3779865ab2 100644
--- a/hw/misc/macio/macio.c
+++ b/hw/misc/macio/macio.c
@@ -241,7 +241,7 @@ static void macio_oldworld_init(Object *obj)
     object_property_add_link(obj, "pic", TYPE_HEATHROW,
                              (Object **) &os->pic,
                              qdev_prop_allow_set_link_before_realize,
-                             0, NULL);
+                             0);
 
     macio_init_child_obj(s, "cuda", &s->cuda, sizeof(s->cuda), TYPE_CUDA);
 
@@ -397,7 +397,7 @@ static void macio_newworld_init(Object *obj)
     object_property_add_link(obj, "pic", TYPE_OPENPIC,
                              (Object **) &ns->pic,
                              qdev_prop_allow_set_link_before_realize,
-                             0, NULL);
+                             0);
 
     macio_init_child_obj(s, "gpio", &ns->gpio, sizeof(ns->gpio),
                          TYPE_MACIO_GPIO);
diff --git a/hw/misc/macio/pmu.c b/hw/misc/macio/pmu.c
index b8466a4a3f..9a9cd427e1 100644
--- a/hw/misc/macio/pmu.c
+++ b/hw/misc/macio/pmu.c
@@ -758,7 +758,7 @@ static void pmu_realize(DeviceState *dev, Error **errp)
 
     if (s->has_adb) {
         qbus_create_inplace(&s->adb_bus, sizeof(s->adb_bus), TYPE_ADB_BUS,
-                            DEVICE(dev), "adb.0");
+                            dev, "adb.0");
         s->adb_poll_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL, pmu_adb_poll, s);
         s->adb_poll_mask = 0xffff;
         s->autopoll_rate_ms = 20;
@@ -773,7 +773,7 @@ static void pmu_init(Object *obj)
     object_property_add_link(obj, "gpio", TYPE_MACIO_GPIO,
                              (Object **) &s->gpio,
                              qdev_prop_allow_set_link_before_realize,
-                             0, NULL);
+                             0);
 
     sysbus_init_child_obj(obj, "mos6522-pmu", &s->mos6522_pmu,
                           sizeof(s->mos6522_pmu), TYPE_MOS6522_PMU);
diff --git a/hw/misc/pca9552.c b/hw/misc/pca9552.c
index efd961e041..cac729e35a 100644
--- a/hw/misc/pca9552.c
+++ b/hw/misc/pca9552.c
@@ -298,7 +298,7 @@ static void pca9552_initfn(Object *obj)
 
         name = g_strdup_printf("led%d", led);
         object_property_add(obj, name, "bool", pca9552_get_led, pca9552_set_led,
-                            NULL, NULL, NULL);
+                            NULL, NULL);
         g_free(name);
     }
 }
diff --git a/hw/misc/tmp105.c b/hw/misc/tmp105.c
index 75ddad3a12..58dbebca90 100644
--- a/hw/misc/tmp105.c
+++ b/hw/misc/tmp105.c
@@ -245,7 +245,7 @@ static void tmp105_initfn(Object *obj)
 {
     object_property_add(obj, "temperature", "int",
                         tmp105_get_temperature,
-                        tmp105_set_temperature, NULL, NULL, NULL);
+                        tmp105_set_temperature, NULL, NULL);
 }
 
 static void tmp105_class_init(ObjectClass *klass, void *data)
diff --git a/hw/misc/tmp421.c b/hw/misc/tmp421.c
index c0bc150bca..74864cd93d 100644
--- a/hw/misc/tmp421.c
+++ b/hw/misc/tmp421.c
@@ -347,16 +347,16 @@ static void tmp421_initfn(Object *obj)
 {
     object_property_add(obj, "temperature0", "int",
                         tmp421_get_temperature,
-                        tmp421_set_temperature, NULL, NULL, NULL);
+                        tmp421_set_temperature, NULL, NULL);
     object_property_add(obj, "temperature1", "int",
                         tmp421_get_temperature,
-                        tmp421_set_temperature, NULL, NULL, NULL);
+                        tmp421_set_temperature, NULL, NULL);
     object_property_add(obj, "temperature2", "int",
                         tmp421_get_temperature,
-                        tmp421_set_temperature, NULL, NULL, NULL);
+                        tmp421_set_temperature, NULL, NULL);
     object_property_add(obj, "temperature3", "int",
                         tmp421_get_temperature,
-                        tmp421_set_temperature, NULL, NULL, NULL);
+                        tmp421_set_temperature, NULL, NULL);
 }
 
 static void tmp421_class_init(ObjectClass *klass, void *data)
diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c
index 22a0b1b1f9..e8f9cc7f1e 100644
--- a/hw/net/cadence_gem.c
+++ b/hw/net/cadence_gem.c
@@ -1600,8 +1600,7 @@ static void gem_init(Object *obj)
     object_property_add_link(obj, "dma", TYPE_MEMORY_REGION,
                              (Object **)&s->dma_mr,
                              qdev_prop_allow_set_link_before_realize,
-                             OBJ_PROP_LINK_STRONG,
-                             &error_abort);
+                             OBJ_PROP_LINK_STRONG);
 }
 
 static const VMStateDescription vmstate_cadence_gem = {
diff --git a/hw/net/can/can_kvaser_pci.c b/hw/net/can/can_kvaser_pci.c
index 16861b8f9f..4b941370d0 100644
--- a/hw/net/can/can_kvaser_pci.c
+++ b/hw/net/can/can_kvaser_pci.c
@@ -282,7 +282,7 @@ static void kvaser_pci_instance_init(Object *obj)
     object_property_add_link(obj, "canbus", TYPE_CAN_BUS,
                              (Object **)&d->canbus,
                              qdev_prop_allow_set_link_before_realize,
-                             0, &error_abort);
+                             0);
 }
 
 static void kvaser_pci_class_init(ObjectClass *klass, void *data)
diff --git a/hw/net/can/can_mioe3680_pci.c b/hw/net/can/can_mioe3680_pci.c
index 965e252d9d..695e762a8d 100644
--- a/hw/net/can/can_mioe3680_pci.c
+++ b/hw/net/can/can_mioe3680_pci.c
@@ -219,11 +219,11 @@ static void mioe3680_pci_instance_init(Object *obj)
     object_property_add_link(obj, "canbus0", TYPE_CAN_BUS,
                              (Object **)&d->canbus[0],
                              qdev_prop_allow_set_link_before_realize,
-                             0, &error_abort);
+                             0);
     object_property_add_link(obj, "canbus1", TYPE_CAN_BUS,
                              (Object **)&d->canbus[1],
                              qdev_prop_allow_set_link_before_realize,
-                             0, &error_abort);
+                             0);
 }
 
 static void mioe3680_pci_class_init(ObjectClass *klass, void *data)
diff --git a/hw/net/can/can_pcm3680_pci.c b/hw/net/can/can_pcm3680_pci.c
index 51b6540072..4218e63eb2 100644
--- a/hw/net/can/can_pcm3680_pci.c
+++ b/hw/net/can/can_pcm3680_pci.c
@@ -220,11 +220,11 @@ static void pcm3680i_pci_instance_init(Object *obj)
     object_property_add_link(obj, "canbus0", TYPE_CAN_BUS,
                              (Object **)&d->canbus[0],
                              qdev_prop_allow_set_link_before_realize,
-                             0, &error_abort);
+                             0);
     object_property_add_link(obj, "canbus1", TYPE_CAN_BUS,
                              (Object **)&d->canbus[1],
                              qdev_prop_allow_set_link_before_realize,
-                             0, &error_abort);
+                             0);
 }
 
 static void pcm3680i_pci_class_init(ObjectClass *klass, void *data)
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index 2a69eee63f..a18f80e369 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -1774,7 +1774,7 @@ static void e1000_instance_init(Object *obj)
     E1000State *n = E1000(obj);
     device_add_bootindex_property(obj, &n->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  DEVICE(n), NULL);
+                                  DEVICE(n));
 }
 
 static const TypeInfo e1000_base_info = {
@@ -1824,7 +1824,6 @@ static void e1000_register_types(void)
         type_info.parent = TYPE_E1000_BASE;
         type_info.class_data = (void *)info;
         type_info.class_init = e1000_class_init;
-        type_info.instance_init = e1000_instance_init;
 
         type_register(&type_info);
     }
diff --git a/hw/net/e1000e.c b/hw/net/e1000e.c
index 79ba158d41..fda34518c9 100644
--- a/hw/net/e1000e.c
+++ b/hw/net/e1000e.c
@@ -705,7 +705,7 @@ static void e1000e_instance_init(Object *obj)
     E1000EState *s = E1000E(obj);
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  DEVICE(obj), NULL);
+                                  DEVICE(obj));
 }
 
 static const TypeInfo e1000e_info = {
diff --git a/hw/net/eepro100.c b/hw/net/eepro100.c
index f6474f0e68..16e95ef9cc 100644
--- a/hw/net/eepro100.c
+++ b/hw/net/eepro100.c
@@ -1883,7 +1883,7 @@ static void eepro100_instance_init(Object *obj)
     EEPRO100State *s = DO_UPCAST(EEPRO100State, dev, PCI_DEVICE(obj));
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  DEVICE(s), NULL);
+                                  DEVICE(s));
 }
 
 static E100PCIDeviceInfo e100_devices[] = {
diff --git a/hw/net/ftgmac100.c b/hw/net/ftgmac100.c
index 041ed21017..25ebee7ec2 100644
--- a/hw/net/ftgmac100.c
+++ b/hw/net/ftgmac100.c
@@ -1035,8 +1035,7 @@ static void ftgmac100_realize(DeviceState *dev, Error **errp)
     qemu_macaddr_default_if_unset(&s->conf.macaddr);
 
     s->nic = qemu_new_nic(&net_ftgmac100_info, &s->conf,
-                          object_get_typename(OBJECT(dev)), DEVICE(dev)->id,
-                          s);
+                          object_get_typename(OBJECT(dev)), dev->id, s);
     qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
 }
 
diff --git a/hw/net/imx_fec.c b/hw/net/imx_fec.c
index a35c33683e..7adcc9df65 100644
--- a/hw/net/imx_fec.c
+++ b/hw/net/imx_fec.c
@@ -1323,7 +1323,7 @@ static void imx_eth_realize(DeviceState *dev, Error **errp)
 
     s->nic = qemu_new_nic(&imx_eth_net_info, &s->conf,
                           object_get_typename(OBJECT(dev)),
-                          DEVICE(dev)->id, s);
+                          dev->id, s);
 
     qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
 }
diff --git a/hw/net/lance.c b/hw/net/lance.c
index 688724db0b..4c5f01baad 100644
--- a/hw/net/lance.c
+++ b/hw/net/lance.c
@@ -134,7 +134,7 @@ static void lance_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  DEVICE(obj), NULL);
+                                  DEVICE(obj));
 }
 
 static Property lance_properties[] = {
diff --git a/hw/net/lasi_i82596.c b/hw/net/lasi_i82596.c
index 52637a562d..5e0fd69763 100644
--- a/hw/net/lasi_i82596.c
+++ b/hw/net/lasi_i82596.c
@@ -152,7 +152,7 @@ static void lasi_82596_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  DEVICE(obj), NULL);
+                                  DEVICE(obj));
 }
 
 static Property lasi_82596_properties[] = {
diff --git a/hw/net/ne2000-isa.c b/hw/net/ne2000-isa.c
index e744eff153..fdf8faa0d9 100644
--- a/hw/net/ne2000-isa.c
+++ b/hw/net/ne2000-isa.c
@@ -133,7 +133,7 @@ static void isa_ne2000_instance_init(Object *obj)
 {
     object_property_add(obj, "bootindex", "int32",
                         isa_ne2000_get_bootindex,
-                        isa_ne2000_set_bootindex, NULL, NULL, NULL);
+                        isa_ne2000_set_bootindex, NULL, NULL);
     object_property_set_int(obj, -1, "bootindex", NULL);
 }
 static const TypeInfo ne2000_isa_info = {
diff --git a/hw/net/ne2000-pci.c b/hw/net/ne2000-pci.c
index e11d67bf75..9e5d10859a 100644
--- a/hw/net/ne2000-pci.c
+++ b/hw/net/ne2000-pci.c
@@ -92,7 +92,7 @@ static void ne2000_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->c.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  &pci_dev->qdev, NULL);
+                                  &pci_dev->qdev);
 }
 
 static Property ne2000_properties[] = {
diff --git a/hw/net/pcnet-pci.c b/hw/net/pcnet-pci.c
index d1f31e0272..49d3e42e83 100644
--- a/hw/net/pcnet-pci.c
+++ b/hw/net/pcnet-pci.c
@@ -250,7 +250,7 @@ static void pcnet_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  DEVICE(obj), NULL);
+                                  DEVICE(obj));
 }
 
 static Property pcnet_properties[] = {
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 70aca7ec26..ab93d78ab3 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -3415,7 +3415,7 @@ static void rtl8139_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  DEVICE(obj), NULL);
+                                  DEVICE(obj));
 }
 
 static Property rtl8139_properties[] = {
diff --git a/hw/net/spapr_llan.c b/hw/net/spapr_llan.c
index a2377025a7..968a1ce78e 100644
--- a/hw/net/spapr_llan.c
+++ b/hw/net/spapr_llan.c
@@ -340,7 +340,7 @@ static void spapr_vlan_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &dev->nicconf.bootindex,
                                   "bootindex", "",
-                                  DEVICE(dev), NULL);
+                                  DEVICE(dev));
 
     if (dev->compat_flags & SPAPRVLAN_FLAG_RX_BUF_POOLS) {
         for (i = 0; i < RX_MAX_POOLS; i++) {
diff --git a/hw/net/sungem.c b/hw/net/sungem.c
index b01197d952..e4b7b57704 100644
--- a/hw/net/sungem.c
+++ b/hw/net/sungem.c
@@ -1378,7 +1378,7 @@ static void sungem_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  DEVICE(obj), NULL);
+                                  DEVICE(obj));
 }
 
 static Property sungem_properties[] = {
diff --git a/hw/net/sunhme.c b/hw/net/sunhme.c
index 9c38583180..bc48d46b9f 100644
--- a/hw/net/sunhme.c
+++ b/hw/net/sunhme.c
@@ -901,7 +901,7 @@ static void sunhme_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  DEVICE(obj), NULL);
+                                  DEVICE(obj));
 }
 
 static void sunhme_reset(DeviceState *ds)
diff --git a/hw/net/tulip.c b/hw/net/tulip.c
index 1295f51d07..6cefc0add2 100644
--- a/hw/net/tulip.c
+++ b/hw/net/tulip.c
@@ -1001,7 +1001,7 @@ static void tulip_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &d->c.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  &pci_dev->qdev, NULL);
+                                  &pci_dev->qdev);
 }
 
 static Property tulip_properties[] = {
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 3301869d4f..b7f3d1b2eb 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -399,7 +399,7 @@ static void rxfilter_notify(NetClientState *nc)
     VirtIONet *n = qemu_get_nic_opaque(nc);
 
     if (nc->rxfilter_notify_enabled) {
-        gchar *path = object_get_canonical_path(OBJECT(n->qdev));
+        char *path = object_get_canonical_path(OBJECT(n->qdev));
         qapi_event_send_nic_rx_filter_changed(!!n->netclient_name,
                                               n->netclient_name, path);
         g_free(path);
@@ -3077,7 +3077,7 @@ static void virtio_net_device_realize(DeviceState *dev, Error **errp)
     n->qdev = dev;
 }
 
-static void virtio_net_device_unrealize(DeviceState *dev, Error **errp)
+static void virtio_net_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIONet *n = VIRTIO_NET(dev);
@@ -3125,7 +3125,7 @@ static void virtio_net_instance_init(Object *obj)
     n->config_size = sizeof(struct virtio_net_config);
     device_add_bootindex_property(obj, &n->nic_conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  DEVICE(n), NULL);
+                                  DEVICE(n));
 }
 
 static int virtio_net_pre_save(void *opaque)
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index 6d91cd8309..7a6ca4ec35 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -2237,7 +2237,7 @@ static void vmxnet3_instance_init(Object *obj)
     VMXNET3State *s = VMXNET3(obj);
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  DEVICE(obj), NULL);
+                                  DEVICE(obj));
 }
 
 static void vmxnet3_pci_uninit(PCIDevice *pci_dev)
diff --git a/hw/net/xilinx_axienet.c b/hw/net/xilinx_axienet.c
index 704788811a..44fe04d889 100644
--- a/hw/net/xilinx_axienet.c
+++ b/hw/net/xilinx_axienet.c
@@ -149,8 +149,8 @@ tdk_write(struct PHY *phy, unsigned int req, unsigned int data)
             break;
     }
 
-    /* Unconditionally clear regs[BMCR][BMCR_RESET] */
-    phy->regs[0] &= ~0x8000;
+    /* Unconditionally clear regs[BMCR][BMCR_RESET] and auto-neg */
+    phy->regs[0] &= ~0x8200;
 }
 
 static void
@@ -402,6 +402,9 @@ struct XilinxAXIEnet {
 
     uint32_t hdr[CONTROL_PAYLOAD_WORDS];
 
+    uint8_t *txmem;
+    uint32_t txpos;
+
     uint8_t *rxmem;
     uint32_t rxsize;
     uint32_t rxpos;
@@ -421,6 +424,7 @@ static void axienet_rx_reset(XilinxAXIEnet *s)
 static void axienet_tx_reset(XilinxAXIEnet *s)
 {
     s->tc = TC_JUM | TC_TX | TC_VLAN;
+    s->txpos = 0;
 }
 
 static inline int axienet_rx_resetting(XilinxAXIEnet *s)
@@ -697,14 +701,14 @@ static void axienet_eth_rx_notify(void *opaque)
                                            axienet_eth_rx_notify, s)) {
         size_t ret = stream_push(s->tx_control_dev,
                                  (void *)s->rxapp + CONTROL_PAYLOAD_SIZE
-                                 - s->rxappsize, s->rxappsize);
+                                 - s->rxappsize, s->rxappsize, true);
         s->rxappsize -= ret;
     }
 
     while (s->rxsize && stream_can_push(s->tx_data_dev,
                                         axienet_eth_rx_notify, s)) {
         size_t ret = stream_push(s->tx_data_dev, (void *)s->rxmem + s->rxpos,
-                                 s->rxsize);
+                                 s->rxsize, true);
         s->rxsize -= ret;
         s->rxpos += ret;
         if (!s->rxsize) {
@@ -874,12 +878,14 @@ static ssize_t eth_rx(NetClientState *nc, const uint8_t *buf, size_t size)
 }
 
 static size_t
-xilinx_axienet_control_stream_push(StreamSlave *obj, uint8_t *buf, size_t len)
+xilinx_axienet_control_stream_push(StreamSlave *obj, uint8_t *buf, size_t len,
+                                   bool eop)
 {
     int i;
     XilinxAXIEnetStreamSlave *cs = XILINX_AXI_ENET_CONTROL_STREAM(obj);
     XilinxAXIEnet *s = cs->enet;
 
+    assert(eop);
     if (len != CONTROL_PAYLOAD_SIZE) {
         hw_error("AXI Enet requires %d byte control stream payload\n",
                  (int)CONTROL_PAYLOAD_SIZE);
@@ -894,7 +900,8 @@ xilinx_axienet_control_stream_push(StreamSlave *obj, uint8_t *buf, size_t len)
 }
 
 static size_t
-xilinx_axienet_data_stream_push(StreamSlave *obj, uint8_t *buf, size_t size)
+xilinx_axienet_data_stream_push(StreamSlave *obj, uint8_t *buf, size_t size,
+                                bool eop)
 {
     XilinxAXIEnetStreamSlave *ds = XILINX_AXI_ENET_DATA_STREAM(obj);
     XilinxAXIEnet *s = ds->enet;
@@ -904,9 +911,30 @@ xilinx_axienet_data_stream_push(StreamSlave *obj, uint8_t *buf, size_t size)
         return size;
     }
 
+    if (s->txpos + size > s->c_txmem) {
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: Packet larger than txmem\n",
+                      TYPE_XILINX_AXI_ENET);
+        s->txpos = 0;
+        return size;
+    }
+
+    if (s->txpos == 0 && eop) {
+        /* Fast path single fragment.  */
+        s->txpos = size;
+    } else {
+        memcpy(s->txmem + s->txpos, buf, size);
+        buf = s->txmem;
+        s->txpos += size;
+
+        if (!eop) {
+            return size;
+        }
+    }
+
     /* Jumbo or vlan sizes ?  */
     if (!(s->tc & TC_JUM)) {
-        if (size > 1518 && size <= 1522 && !(s->tc & TC_VLAN)) {
+        if (s->txpos > 1518 && s->txpos <= 1522 && !(s->tc & TC_VLAN)) {
+            s->txpos = 0;
             return size;
         }
     }
@@ -917,8 +945,8 @@ xilinx_axienet_data_stream_push(StreamSlave *obj, uint8_t *buf, size_t size)
         uint32_t tmp_csum;
         uint16_t csum;
 
-        tmp_csum = net_checksum_add(size - start_off,
-                                    (uint8_t *)buf + start_off);
+        tmp_csum = net_checksum_add(s->txpos - start_off,
+                                    buf + start_off);
         /* Accumulate the seed.  */
         tmp_csum += s->hdr[2] & 0xffff;
 
@@ -930,12 +958,13 @@ xilinx_axienet_data_stream_push(StreamSlave *obj, uint8_t *buf, size_t size)
         buf[write_off + 1] = csum & 0xff;
     }
 
-    qemu_send_packet(qemu_get_queue(s->nic), buf, size);
+    qemu_send_packet(qemu_get_queue(s->nic), buf, s->txpos);
 
-    s->stats.tx_bytes += size;
+    s->stats.tx_bytes += s->txpos;
     s->regs[R_IS] |= IS_TX_COMPLETE;
     enet_update_irq(s);
 
+    s->txpos = 0;
     return size;
 }
 
@@ -956,16 +985,11 @@ static void xilinx_enet_realize(DeviceState *dev, Error **errp)
     object_property_add_link(OBJECT(ds), "enet", "xlnx.axi-ethernet",
                              (Object **) &ds->enet,
                              object_property_allow_set_link,
-                             OBJ_PROP_LINK_STRONG,
-                             &local_err);
+                             OBJ_PROP_LINK_STRONG);
     object_property_add_link(OBJECT(cs), "enet", "xlnx.axi-ethernet",
                              (Object **) &cs->enet,
                              object_property_allow_set_link,
-                             OBJ_PROP_LINK_STRONG,
-                             &local_err);
-    if (local_err) {
-        goto xilinx_enet_realize_fail;
-    }
+                             OBJ_PROP_LINK_STRONG);
     object_property_set_link(OBJECT(ds), OBJECT(s), "enet", &local_err);
     object_property_set_link(OBJECT(cs), OBJECT(s), "enet", &local_err);
     if (local_err) {
@@ -983,6 +1007,7 @@ static void xilinx_enet_realize(DeviceState *dev, Error **errp)
     s->TEMAC.parent = s;
 
     s->rxmem = g_malloc(s->c_rxmem);
+    s->txmem = g_malloc(s->c_txmem);
     return;
 
 xilinx_enet_realize_fail:
@@ -1029,11 +1054,19 @@ static void xilinx_enet_class_init(ObjectClass *klass, void *data)
     dc->reset = xilinx_axienet_reset;
 }
 
-static void xilinx_enet_stream_class_init(ObjectClass *klass, void *data)
+static void xilinx_enet_control_stream_class_init(ObjectClass *klass,
+                                                  void *data)
+{
+    StreamSlaveClass *ssc = STREAM_SLAVE_CLASS(klass);
+
+    ssc->push = xilinx_axienet_control_stream_push;
+}
+
+static void xilinx_enet_data_stream_class_init(ObjectClass *klass, void *data)
 {
     StreamSlaveClass *ssc = STREAM_SLAVE_CLASS(klass);
 
-    ssc->push = data;
+    ssc->push = xilinx_axienet_data_stream_push;
 }
 
 static const TypeInfo xilinx_enet_info = {
@@ -1048,8 +1081,7 @@ static const TypeInfo xilinx_enet_data_stream_info = {
     .name          = TYPE_XILINX_AXI_ENET_DATA_STREAM,
     .parent        = TYPE_OBJECT,
     .instance_size = sizeof(struct XilinxAXIEnetStreamSlave),
-    .class_init    = xilinx_enet_stream_class_init,
-    .class_data    = xilinx_axienet_data_stream_push,
+    .class_init    = xilinx_enet_data_stream_class_init,
     .interfaces = (InterfaceInfo[]) {
             { TYPE_STREAM_SLAVE },
             { }
@@ -1060,8 +1092,7 @@ static const TypeInfo xilinx_enet_control_stream_info = {
     .name          = TYPE_XILINX_AXI_ENET_CONTROL_STREAM,
     .parent        = TYPE_OBJECT,
     .instance_size = sizeof(struct XilinxAXIEnetStreamSlave),
-    .class_init    = xilinx_enet_stream_class_init,
-    .class_data    = xilinx_axienet_control_stream_push,
+    .class_init    = xilinx_enet_control_stream_class_init,
     .interfaces = (InterfaceInfo[]) {
             { TYPE_STREAM_SLAVE },
             { }
diff --git a/hw/nios2/10m50_devboard.c b/hw/nios2/10m50_devboard.c
index 33dc2bf511..4c60a27fb7 100644
--- a/hw/nios2/10m50_devboard.c
+++ b/hw/nios2/10m50_devboard.c
@@ -81,8 +81,7 @@ static void nios2_10m50_ghrd_init(MachineState *machine)
 
     /* Register: Internal Interrupt Controller (IIC) */
     dev = qdev_create(NULL, "altera,iic");
-    object_property_add_const_link(OBJECT(dev), "cpu", OBJECT(cpu),
-                                   &error_abort);
+    object_property_add_const_link(OBJECT(dev), "cpu", OBJECT(cpu));
     qdev_init_nofail(dev);
     sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, cpu_irq[0]);
     for (i = 0; i < 32; i++) {
diff --git a/hw/nubus/nubus-device.c b/hw/nubus/nubus-device.c
index 01ccad9e8e..ffe78a8823 100644
--- a/hw/nubus/nubus-device.c
+++ b/hw/nubus/nubus-device.c
@@ -156,7 +156,7 @@ void nubus_register_rom(NubusDevice *dev, const uint8_t *rom, uint32_t size,
 
 static void nubus_device_realize(DeviceState *dev, Error **errp)
 {
-    NubusBus *nubus = NUBUS_BUS(qdev_get_parent_bus(DEVICE(dev)));
+    NubusBus *nubus = NUBUS_BUS(qdev_get_parent_bus(dev));
     NubusDevice *nd = NUBUS_DEVICE(dev);
     char *name;
     hwaddr slot_offset;
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c
index 4be6c9d9fd..8dd50c2c72 100644
--- a/hw/nvram/fw_cfg.c
+++ b/hw/nvram/fw_cfg.c
@@ -1105,7 +1105,7 @@ FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase,
     }
 
     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
-                              OBJECT(dev), NULL);
+                              OBJECT(dev));
     qdev_init_nofail(dev);
 
     sbd = SYS_BUS_DEVICE(dev);
@@ -1145,7 +1145,7 @@ FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr,
     }
 
     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
-                              OBJECT(dev), NULL);
+                              OBJECT(dev));
     qdev_init_nofail(dev);
 
     sbd = SYS_BUS_DEVICE(dev);
diff --git a/hw/nvram/mac_nvram.c b/hw/nvram/mac_nvram.c
index 2e8a1e3812..ff5db03e6b 100644
--- a/hw/nvram/mac_nvram.c
+++ b/hw/nvram/mac_nvram.c
@@ -107,7 +107,7 @@ static void macio_nvram_realizefn(DeviceState *dev, Error **errp)
     sysbus_init_mmio(d, &s->mem);
 }
 
-static void macio_nvram_unrealizefn(DeviceState *dev, Error **errp)
+static void macio_nvram_unrealizefn(DeviceState *dev)
 {
     MacIONVRAMState *s = MACIO_NVRAM(dev);
 
diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c
index cc6545c8a8..f212796044 100644
--- a/hw/pci-host/bonito.c
+++ b/hw/pci-host/bonito.c
@@ -606,7 +606,7 @@ static void bonito_pcihost_realize(DeviceState *dev, Error **errp)
     BonitoState *bs = BONITO_PCI_HOST_BRIDGE(dev);
 
     memory_region_init(&bs->pci_mem, OBJECT(dev), "pci.mem", BONITO_PCILO_SIZE);
-    phb->bus = pci_register_root_bus(DEVICE(dev), "pci",
+    phb->bus = pci_register_root_bus(dev, "pci",
                                      pci_bonito_set_irq, pci_bonito_map_irq,
                                      dev, &bs->pci_mem, get_system_io(),
                                      0x28, 32, TYPE_PCI_BUS);
diff --git a/hw/pci-host/grackle.c b/hw/pci-host/grackle.c
index 24ccdf6ceb..4b3af0c704 100644
--- a/hw/pci-host/grackle.c
+++ b/hw/pci-host/grackle.c
@@ -109,7 +109,7 @@ static void grackle_init(Object *obj)
     object_property_add_link(obj, "pic", TYPE_HEATHROW,
                              (Object **) &s->pic,
                              qdev_prop_allow_set_link_before_realize,
-                             0, NULL);
+                             0);
 
     sysbus_init_mmio(sbd, &phb->conf_mem);
     sysbus_init_mmio(sbd, &phb->data_mem);
diff --git a/hw/pci-host/i440fx.c b/hw/pci-host/i440fx.c
index d980c97049..0adbd77553 100644
--- a/hw/pci-host/i440fx.c
+++ b/hw/pci-host/i440fx.c
@@ -212,19 +212,19 @@ static void i440fx_pcihost_initfn(Object *obj)
 
     object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_START, "uint32",
                         i440fx_pcihost_get_pci_hole_start,
-                        NULL, NULL, NULL, NULL);
+                        NULL, NULL, NULL);
 
     object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_END, "uint32",
                         i440fx_pcihost_get_pci_hole_end,
-                        NULL, NULL, NULL, NULL);
+                        NULL, NULL, NULL);
 
     object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_START, "uint64",
                         i440fx_pcihost_get_pci_hole64_start,
-                        NULL, NULL, NULL, NULL);
+                        NULL, NULL, NULL);
 
     object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_END, "uint64",
                         i440fx_pcihost_get_pci_hole64_end,
-                        NULL, NULL, NULL, NULL);
+                        NULL, NULL, NULL);
 }
 
 static void i440fx_pcihost_realize(DeviceState *dev, Error **errp)
@@ -275,7 +275,7 @@ PCIBus *i440fx_init(const char *host_type, const char *pci_type,
     b = pci_root_bus_new(dev, NULL, pci_address_space,
                          address_space_io, 0, TYPE_PCI_BUS);
     s->bus = b;
-    object_property_add_child(qdev_get_machine(), "i440fx", OBJECT(dev), NULL);
+    object_property_add_child(qdev_get_machine(), "i440fx", OBJECT(dev));
     qdev_init_nofail(dev);
 
     d = pci_create_simple(b, 0, pci_type);
@@ -308,7 +308,7 @@ PCIBus *i440fx_init(const char *host_type, const char *pci_type,
     memory_region_set_enabled(&f->low_smram, true);
     memory_region_add_subregion(&f->smram, 0xa0000, &f->low_smram);
     object_property_add_const_link(qdev_get_machine(), "smram",
-                                   OBJECT(&f->smram), &error_abort);
+                                   OBJECT(&f->smram));
 
     init_pam(dev, f->ram_memory, f->system_memory, f->pci_address_space,
              &f->pam_regions[0], PAM_BIOS_BASE, PAM_BIOS_SIZE);
diff --git a/hw/pci-host/pnv_phb3_msi.c b/hw/pci-host/pnv_phb3_msi.c
index d645468f4a..099d2092a2 100644
--- a/hw/pci-host/pnv_phb3_msi.c
+++ b/hw/pci-host/pnv_phb3_msi.c
@@ -282,8 +282,7 @@ static void phb3_msi_instance_init(Object *obj)
     object_property_add_link(obj, "phb", TYPE_PNV_PHB3,
                              (Object **)&msi->phb,
                              object_property_allow_set_link,
-                             OBJ_PROP_LINK_STRONG,
-                             &error_abort);
+                             OBJ_PROP_LINK_STRONG);
 
     /* Will be overriden later */
     ics->offset = 0;
diff --git a/hw/pci-host/pnv_phb3_pbcq.c b/hw/pci-host/pnv_phb3_pbcq.c
index 7b9a121246..a0526aa1ec 100644
--- a/hw/pci-host/pnv_phb3_pbcq.c
+++ b/hw/pci-host/pnv_phb3_pbcq.c
@@ -324,8 +324,7 @@ static void phb3_pbcq_instance_init(Object *obj)
     object_property_add_link(obj, "phb", TYPE_PNV_PHB3,
                              (Object **)&pbcq->phb,
                              object_property_allow_set_link,
-                             OBJ_PROP_LINK_STRONG,
-                             &error_abort);
+                             OBJ_PROP_LINK_STRONG);
 }
 
 static void pnv_pbcq_class_init(ObjectClass *klass, void *data)
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 2bbc90b28f..352aeecfa7 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -222,38 +222,38 @@ static void q35_host_initfn(Object *obj)
                          Q35_PCI_HOST_HOLE64_SIZE_DEFAULT);
     object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_START, "uint32",
                         q35_host_get_pci_hole_start,
-                        NULL, NULL, NULL, NULL);
+                        NULL, NULL, NULL);
 
     object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_END, "uint32",
                         q35_host_get_pci_hole_end,
-                        NULL, NULL, NULL, NULL);
+                        NULL, NULL, NULL);
 
     object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_START, "uint64",
                         q35_host_get_pci_hole64_start,
-                        NULL, NULL, NULL, NULL);
+                        NULL, NULL, NULL);
 
     object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_END, "uint64",
                         q35_host_get_pci_hole64_end,
-                        NULL, NULL, NULL, NULL);
+                        NULL, NULL, NULL);
 
     object_property_add_uint64_ptr(obj, PCIE_HOST_MCFG_SIZE,
-                                   &pehb->size, OBJ_PROP_FLAG_READ, NULL);
+                                   &pehb->size, OBJ_PROP_FLAG_READ);
 
     object_property_add_link(obj, MCH_HOST_PROP_RAM_MEM, TYPE_MEMORY_REGION,
                              (Object **) &s->mch.ram_memory,
-                             qdev_prop_allow_set_link_before_realize, 0, NULL);
+                             qdev_prop_allow_set_link_before_realize, 0);
 
     object_property_add_link(obj, MCH_HOST_PROP_PCI_MEM, TYPE_MEMORY_REGION,
                              (Object **) &s->mch.pci_address_space,
-                             qdev_prop_allow_set_link_before_realize, 0, NULL);
+                             qdev_prop_allow_set_link_before_realize, 0);
 
     object_property_add_link(obj, MCH_HOST_PROP_SYSTEM_MEM, TYPE_MEMORY_REGION,
                              (Object **) &s->mch.system_memory,
-                             qdev_prop_allow_set_link_before_realize, 0, NULL);
+                             qdev_prop_allow_set_link_before_realize, 0);
 
     object_property_add_link(obj, MCH_HOST_PROP_IO_MEM, TYPE_MEMORY_REGION,
                              (Object **) &s->mch.address_space_io,
-                             qdev_prop_allow_set_link_before_realize, 0, NULL);
+                             qdev_prop_allow_set_link_before_realize, 0);
 }
 
 static const TypeInfo q35_host_info = {
@@ -638,7 +638,7 @@ static void mch_realize(PCIDevice *d, Error **errp)
                                 &mch->smbase_window);
 
     object_property_add_const_link(qdev_get_machine(), "smram",
-                                   OBJECT(&mch->smram), &error_abort);
+                                   OBJECT(&mch->smram));
 
     init_pam(DEVICE(mch), mch->ram_memory, mch->system_memory,
              mch->pci_address_space, &mch->pam_regions[0],
diff --git a/hw/pci-host/sabre.c b/hw/pci-host/sabre.c
index 2b8503b709..475bcb01d7 100644
--- a/hw/pci-host/sabre.c
+++ b/hw/pci-host/sabre.c
@@ -442,7 +442,7 @@ static void sabre_init(Object *obj)
     object_property_add_link(obj, "iommu", TYPE_SUN4U_IOMMU,
                              (Object **) &s->iommu,
                              qdev_prop_allow_set_link_before_realize,
-                             0, NULL);
+                             0);
 
     /* sabre_config */
     memory_region_init_io(&s->sabre_config, OBJECT(s), &sabre_config_ops, s,
diff --git a/hw/pci-host/uninorth.c b/hw/pci-host/uninorth.c
index cf70b76fe2..1ed1072eeb 100644
--- a/hw/pci-host/uninorth.c
+++ b/hw/pci-host/uninorth.c
@@ -175,7 +175,7 @@ static void pci_unin_main_init(Object *obj)
     object_property_add_link(obj, "pic", TYPE_OPENPIC,
                              (Object **) &s->pic,
                              qdev_prop_allow_set_link_before_realize,
-                             0, NULL);
+                             0);
 
     sysbus_init_mmio(sbd, &h->conf_mem);
     sysbus_init_mmio(sbd, &h->data_mem);
@@ -223,7 +223,7 @@ static void pci_u3_agp_init(Object *obj)
     object_property_add_link(obj, "pic", TYPE_OPENPIC,
                              (Object **) &s->pic,
                              qdev_prop_allow_set_link_before_realize,
-                             0, NULL);
+                             0);
 
     sysbus_init_mmio(sbd, &h->conf_mem);
     sysbus_init_mmio(sbd, &h->data_mem);
@@ -262,7 +262,7 @@ static void pci_unin_agp_init(Object *obj)
     object_property_add_link(obj, "pic", TYPE_OPENPIC,
                              (Object **) &s->pic,
                              qdev_prop_allow_set_link_before_realize,
-                             0, NULL);
+                             0);
 
     sysbus_init_mmio(sbd, &h->conf_mem);
     sysbus_init_mmio(sbd, &h->data_mem);
@@ -299,7 +299,7 @@ static void pci_unin_internal_init(Object *obj)
     object_property_add_link(obj, "pic", TYPE_OPENPIC,
                              (Object **) &s->pic,
                              qdev_prop_allow_set_link_before_realize,
-                             0, NULL);
+                             0);
 
     sysbus_init_mmio(sbd, &h->conf_mem);
     sysbus_init_mmio(sbd, &h->data_mem);
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index b5bc842fac..70c66965f5 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -146,7 +146,7 @@ static void pcie_bus_realize(BusState *qbus, Error **errp)
     }
 }
 
-static void pci_bus_unrealize(BusState *qbus, Error **errp)
+static void pci_bus_unrealize(BusState *qbus)
 {
     PCIBus *bus = PCI_BUS(qbus);
 
@@ -456,7 +456,7 @@ void pci_root_bus_cleanup(PCIBus *bus)
 {
     pci_bus_uninit(bus);
     /* the caller of the unplug hotplug handler will delete this device */
-    object_property_set_bool(OBJECT(bus), false, "realized", NULL);
+    object_property_set_bool(OBJECT(bus), false, "realized", &error_abort);
 }
 
 void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
@@ -1118,7 +1118,7 @@ static void pci_unregister_io_regions(PCIDevice *pci_dev)
     pci_unregister_vga(pci_dev);
 }
 
-static void pci_qdev_unrealize(DeviceState *dev, Error **errp)
+static void pci_qdev_unrealize(DeviceState *dev)
 {
     PCIDevice *pci_dev = PCI_DEVICE(dev);
     PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(pci_dev);
@@ -2108,7 +2108,7 @@ static void pci_qdev_realize(DeviceState *qdev, Error **errp)
             error_setg(errp, "failover primary device must be on "
                              "PCIExpress bus");
             error_propagate(errp, local_err);
-            pci_qdev_unrealize(DEVICE(pci_dev), NULL);
+            pci_qdev_unrealize(DEVICE(pci_dev));
             return;
         }
         class_id = pci_get_word(pci_dev->config + PCI_CLASS_DEVICE);
@@ -2116,7 +2116,7 @@ static void pci_qdev_realize(DeviceState *qdev, Error **errp)
             error_setg(errp, "failover primary device is not an "
                              "Ethernet device");
             error_propagate(errp, local_err);
-            pci_qdev_unrealize(DEVICE(pci_dev), NULL);
+            pci_qdev_unrealize(DEVICE(pci_dev));
             return;
         }
         if (!(pci_dev->cap_present & QEMU_PCI_CAP_MULTIFUNCTION)
@@ -2126,7 +2126,7 @@ static void pci_qdev_realize(DeviceState *qdev, Error **errp)
             error_setg(errp, "failover: primary device must be in its own "
                               "PCI slot");
             error_propagate(errp, local_err);
-            pci_qdev_unrealize(DEVICE(pci_dev), NULL);
+            pci_qdev_unrealize(DEVICE(pci_dev));
             return;
         }
         qdev->allow_unplug_during_migration = true;
@@ -2142,7 +2142,7 @@ static void pci_qdev_realize(DeviceState *qdev, Error **errp)
     pci_add_option_rom(pci_dev, is_default_rom, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
-        pci_qdev_unrealize(DEVICE(pci_dev), NULL);
+        pci_qdev_unrealize(DEVICE(pci_dev));
         return;
     }
 }
diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c
index abc99b6eff..f50e10b8fb 100644
--- a/hw/pci/pcie.c
+++ b/hw/pci/pcie.c
@@ -457,7 +457,7 @@ void pcie_cap_slot_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
 void pcie_cap_slot_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
                              Error **errp)
 {
-    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
 }
 
 static void pcie_unplug_device(PCIBus *bus, PCIDevice *dev, void *opaque)
diff --git a/hw/pci/shpc.c b/hw/pci/shpc.c
index 7f0aa28e44..b76d3d2c9a 100644
--- a/hw/pci/shpc.c
+++ b/hw/pci/shpc.c
@@ -547,7 +547,7 @@ void shpc_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
 void shpc_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
                            Error **errp)
 {
-    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
 }
 
 void shpc_device_unplug_request_cb(HotplugHandler *hotplug_dev,
diff --git a/hw/pcmcia/pxa2xx.c b/hw/pcmcia/pxa2xx.c
index 14e4dfe8b1..8667244df4 100644
--- a/hw/pcmcia/pxa2xx.c
+++ b/hw/pcmcia/pxa2xx.c
@@ -189,7 +189,7 @@ static void pxa2xx_pcmcia_initfn(Object *obj)
     object_property_add_link(obj, "card", TYPE_PCMCIA_CARD,
                              (Object **)&s->card,
                              NULL, /* read-only property */
-                             0, NULL);
+                             0);
 }
 
 /* Insert a new card into a slot */
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index 0d1f41197c..2a0b66a152 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -744,8 +744,7 @@ static DeviceState *ppce500_init_mpic_qemu(PPCE500MachineState *pms,
     const PPCE500MachineClass *pmc = PPCE500_MACHINE_GET_CLASS(pms);
 
     dev = qdev_create(NULL, TYPE_OPENPIC);
-    object_property_add_child(OBJECT(machine), "pic", OBJECT(dev),
-                              &error_fatal);
+    object_property_add_child(OBJECT(machine), "pic", OBJECT(dev));
     qdev_prop_set_uint32(dev, "model", pmc->mpic_version);
     qdev_prop_set_uint32(dev, "nb_cpus", smp_cpus);
 
@@ -916,7 +915,7 @@ void ppce500_init(MachineState *machine)
 
     dev = qdev_create(NULL, "e500-ccsr");
     object_property_add_child(qdev_get_machine(), "e500-ccsr",
-                              OBJECT(dev), NULL);
+                              OBJECT(dev));
     qdev_init_nofail(dev);
     ccsr = CCSR(dev);
     ccsr_addr_space = &ccsr->ccsr_space;
@@ -957,8 +956,7 @@ void ppce500_init(MachineState *machine)
 
     /* PCI */
     dev = qdev_create(NULL, "e500-pcihost");
-    object_property_add_child(qdev_get_machine(), "pci-host", OBJECT(dev),
-                              &error_abort);
+    object_property_add_child(qdev_get_machine(), "pci-host", OBJECT(dev));
     qdev_prop_set_uint32(dev, "first_slot", pmc->pci_first_slot);
     qdev_prop_set_uint32(dev, "first_pin_irq", pci_irq_nrs[0]);
     qdev_init_nofail(dev);
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index 428cf63578..3507f26f6e 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -455,7 +455,7 @@ static void ppc_core99_init(MachineState *machine)
     qdev_prop_set_uint32(dev, "data_width", 1);
     qdev_prop_set_bit(dev, "dma_enabled", false);
     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
-                              OBJECT(fw_cfg), NULL);
+                              OBJECT(fw_cfg));
     qdev_init_nofail(dev);
     s = SYS_BUS_DEVICE(dev);
     sysbus_mmio_map(s, 0, CFG_ADDR);
@@ -628,11 +628,10 @@ static void core99_instance_init(Object *obj)
     /* Default via_config is CORE99_VIA_CONFIG_CUDA */
     cms->via_config = CORE99_VIA_CONFIG_CUDA;
     object_property_add_str(obj, "via", core99_get_via_config,
-                            core99_set_via_config, NULL);
+                            core99_set_via_config);
     object_property_set_description(obj, "via",
                                     "Set VIA configuration. "
-                                    "Valid values are cuda, pmu and pmu-adb",
-                                    NULL);
+                                    "Valid values are cuda, pmu and pmu-adb");
 
     return;
 }
diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c
index 101bdc5c4d..0b4c1c6373 100644
--- a/hw/ppc/mac_oldworld.c
+++ b/hw/ppc/mac_oldworld.c
@@ -314,7 +314,7 @@ static void ppc_heathrow_init(MachineState *machine)
     qdev_prop_set_uint32(dev, "data_width", 1);
     qdev_prop_set_bit(dev, "dma_enabled", false);
     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
-                              OBJECT(fw_cfg), NULL);
+                              OBJECT(fw_cfg));
     qdev_init_nofail(dev);
     s = SYS_BUS_DEVICE(dev);
     sysbus_mmio_map(s, 0, CFG_ADDR);
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index a3b7a8d0ff..da637822f9 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -832,7 +832,7 @@ static void pnv_init(MachineState *machine)
         }
 
         snprintf(chip_name, sizeof(chip_name), "chip[%d]", PNV_CHIP_HWID(i));
-        object_property_add_child(OBJECT(pnv), chip_name, chip, &error_fatal);
+        object_property_add_child(OBJECT(pnv), chip_name, chip);
         object_property_set_int(chip, PNV_CHIP_HWID(i), "chip-id",
                                 &error_fatal);
         object_property_set_int(chip, machine->smp.cores,
@@ -1060,8 +1060,7 @@ static void pnv_chip_power8_instance_init(Object *obj)
     object_property_add_link(obj, "xics", TYPE_XICS_FABRIC,
                              (Object **)&chip8->xics,
                              object_property_allow_set_link,
-                             OBJ_PROP_LINK_STRONG,
-                             &error_abort);
+                             OBJ_PROP_LINK_STRONG);
 
     object_initialize_child(obj, "psi",  &chip8->psi, sizeof(chip8->psi),
                             TYPE_PNV8_PSI, &error_abort, NULL);
@@ -1321,7 +1320,7 @@ static void pnv_chip_power9_instance_init(Object *obj)
     object_initialize_child(obj, "xive", &chip9->xive, sizeof(chip9->xive),
                             TYPE_PNV_XIVE, &error_abort, NULL);
     object_property_add_alias(obj, "xive-fabric", OBJECT(&chip9->xive),
-                              "xive-fabric", &error_abort);
+                              "xive-fabric");
 
     object_initialize_child(obj, "psi",  &chip9->psi, sizeof(chip9->psi),
                             TYPE_PNV9_PSI, &error_abort, NULL);
@@ -1739,8 +1738,7 @@ static void pnv_chip_core_realize(PnvChip *chip, Error **errp)
         pnv_core = PNV_CORE(object_new(typename));
 
         snprintf(core_name, sizeof(core_name), "core[%d]", core_hwid);
-        object_property_add_child(OBJECT(chip), core_name, OBJECT(pnv_core),
-                                  &error_abort);
+        object_property_add_child(OBJECT(chip), core_name, OBJECT(pnv_core));
         chip->cores[i] = pnv_core;
         object_property_set_int(OBJECT(pnv_core), chip->nr_threads,
                                 "nr-threads", &error_fatal);
@@ -2027,11 +2025,9 @@ static void pnv_machine_class_init(ObjectClass *oc, void *data)
     nc->nmi_monitor_handler = pnv_nmi;
 
     object_class_property_add_bool(oc, "hb-mode",
-                                   pnv_machine_get_hb, pnv_machine_set_hb,
-                                   &error_abort);
+                                   pnv_machine_get_hb, pnv_machine_set_hb);
     object_class_property_set_description(oc, "hb-mode",
-                              "Use a hostboot like boot loader",
-                              NULL);
+                              "Use a hostboot like boot loader");
 }
 
 #define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \
diff --git a/hw/ppc/pnv_bmc.c b/hw/ppc/pnv_bmc.c
index 4e018b8b70..5f86453b6a 100644
--- a/hw/ppc/pnv_bmc.c
+++ b/hw/ppc/pnv_bmc.c
@@ -217,8 +217,7 @@ static const IPMINetfn hiomap_netfn = {
 void pnv_bmc_set_pnor(IPMIBmc *bmc, PnvPnor *pnor)
 {
     object_ref(OBJECT(pnor));
-    object_property_add_const_link(OBJECT(bmc), "pnor", OBJECT(pnor),
-                                   &error_abort);
+    object_property_add_const_link(OBJECT(bmc), "pnor", OBJECT(pnor));
 
     /* Install the HIOMAP protocol handlers to access the PNOR */
     ipmi_sim_register_netfn(IPMI_BMC_SIMULATOR(bmc), IPMI_NETFN_OEM,
@@ -235,7 +234,7 @@ IPMIBmc *pnv_bmc_create(PnvPnor *pnor)
 
     obj = object_new(TYPE_IPMI_BMC_SIMULATOR);
     object_ref(OBJECT(pnor));
-    object_property_add_const_link(obj, "pnor", OBJECT(pnor), &error_abort);
+    object_property_add_const_link(obj, "pnor", OBJECT(pnor));
     object_property_set_bool(obj, true, "realized", &error_fatal);
 
     /* Install the HIOMAP protocol handlers to access the PNOR */
diff --git a/hw/ppc/pnv_core.c b/hw/ppc/pnv_core.c
index 234562040d..96a446f001 100644
--- a/hw/ppc/pnv_core.c
+++ b/hw/ppc/pnv_core.c
@@ -232,7 +232,7 @@ static void pnv_core_realize(DeviceState *dev, Error **errp)
         pc->threads[i] = POWERPC_CPU(obj);
 
         snprintf(name, sizeof(name), "thread[%d]", i);
-        object_property_add_child(OBJECT(pc), name, obj, &error_abort);
+        object_property_add_child(OBJECT(pc), name, obj);
 
         cpu->machine_data = g_new0(PnvCPUState, 1);
 
@@ -275,7 +275,7 @@ static void pnv_core_cpu_unrealize(PnvCore *pc, PowerPCCPU *cpu)
     object_unparent(OBJECT(cpu));
 }
 
-static void pnv_core_unrealize(DeviceState *dev, Error **errp)
+static void pnv_core_unrealize(DeviceState *dev)
 {
     PnvCore *pc = PNV_CORE(dev);
     CPUCore *cc = CPU_CORE(dev);
diff --git a/hw/ppc/pnv_psi.c b/hw/ppc/pnv_psi.c
index c34a49b000..cfd5b7bc25 100644
--- a/hw/ppc/pnv_psi.c
+++ b/hw/ppc/pnv_psi.c
@@ -486,7 +486,7 @@ static void pnv_psi_power8_instance_init(Object *obj)
     object_initialize_child(obj, "ics-psi",  &psi8->ics, sizeof(psi8->ics),
                             TYPE_ICS, &error_abort, NULL);
     object_property_add_alias(obj, ICS_PROP_XICS, OBJECT(&psi8->ics),
-                              ICS_PROP_XICS, &error_abort);
+                              ICS_PROP_XICS);
 }
 
 static const uint8_t irq_to_xivr[] = {
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index 44be9d25a2..9266453dd9 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -229,7 +229,7 @@ static int prep_set_cmos_checksum(DeviceState *dev, void *opaque)
         rtc_set_memory(rtc, 0x3f, checksum >> 8);
 
         object_property_add_alias(qdev_get_machine(), "rtc-time", OBJECT(rtc),
-                                  "date", NULL);
+                                  "date");
     }
     return 0;
 }
@@ -275,7 +275,7 @@ static void ibm_40p_init(MachineState *machine)
     qdev_prop_set_string(dev, "bios-name", bios_name);
     qdev_prop_set_uint32(dev, "elf-machine", PPC_ELF_MACHINE);
     pcihost = SYS_BUS_DEVICE(dev);
-    object_property_add_child(qdev_get_machine(), "raven", OBJECT(dev), NULL);
+    object_property_add_child(qdev_get_machine(), "raven", OBJECT(dev));
     qdev_init_nofail(dev);
     pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci.0"));
     if (!pci_bus) {
@@ -343,7 +343,7 @@ static void ibm_40p_init(MachineState *machine)
     qdev_prop_set_uint32(dev, "data_width", 1);
     qdev_prop_set_bit(dev, "dma_enabled", false);
     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
-                              OBJECT(fw_cfg), NULL);
+                              OBJECT(fw_cfg));
     qdev_init_nofail(dev);
     s = SYS_BUS_DEVICE(dev);
     sysbus_mmio_map(s, 0, CFG_ADDR);
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index c18eab0a23..9b358fcc60 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1732,7 +1732,7 @@ static void spapr_rtc_create(SpaprMachineState *spapr)
     object_property_set_bool(OBJECT(&spapr->rtc), true, "realized",
                               &error_fatal);
     object_property_add_alias(OBJECT(spapr), "rtc-time", OBJECT(&spapr->rtc),
-                              "date", &error_fatal);
+                              "date");
 }
 
 /* Returns whether we want to use VGA or not */
@@ -3305,64 +3305,53 @@ static void spapr_instance_init(Object *obj)
     spapr->htab_fd = -1;
     spapr->use_hotplug_event_source = true;
     object_property_add_str(obj, "kvm-type",
-                            spapr_get_kvm_type, spapr_set_kvm_type, NULL);
+                            spapr_get_kvm_type, spapr_set_kvm_type);
     object_property_set_description(obj, "kvm-type",
-                                    "Specifies the KVM virtualization mode (HV, PR)",
-                                    NULL);
+                                    "Specifies the KVM virtualization mode (HV, PR)");
     object_property_add_bool(obj, "modern-hotplug-events",
                             spapr_get_modern_hotplug_events,
-                            spapr_set_modern_hotplug_events,
-                            NULL);
+                            spapr_set_modern_hotplug_events);
     object_property_set_description(obj, "modern-hotplug-events",
                                     "Use dedicated hotplug event mechanism in"
                                     " place of standard EPOW events when possible"
-                                    " (required for memory hot-unplug support)",
-                                    NULL);
+                                    " (required for memory hot-unplug support)");
     ppc_compat_add_property(obj, "max-cpu-compat", &spapr->max_compat_pvr,
-                            "Maximum permitted CPU compatibility mode",
-                            &error_fatal);
+                            "Maximum permitted CPU compatibility mode");
 
     object_property_add_str(obj, "resize-hpt",
-                            spapr_get_resize_hpt, spapr_set_resize_hpt, NULL);
+                            spapr_get_resize_hpt, spapr_set_resize_hpt);
     object_property_set_description(obj, "resize-hpt",
-                                    "Resizing of the Hash Page Table (enabled, disabled, required)",
-                                    NULL);
+                                    "Resizing of the Hash Page Table (enabled, disabled, required)");
     object_property_add_uint32_ptr(obj, "vsmt",
-                                   &spapr->vsmt, OBJ_PROP_FLAG_READWRITE,
-                                   &error_abort);
+                                   &spapr->vsmt, OBJ_PROP_FLAG_READWRITE);
     object_property_set_description(obj, "vsmt",
                                     "Virtual SMT: KVM behaves as if this were"
-                                    " the host's SMT mode", &error_abort);
+                                    " the host's SMT mode");
 
     object_property_add_bool(obj, "vfio-no-msix-emulation",
-                             spapr_get_msix_emulation, NULL, NULL);
+                             spapr_get_msix_emulation, NULL);
 
     object_property_add_uint64_ptr(obj, "kernel-addr",
-                                   &spapr->kernel_addr, OBJ_PROP_FLAG_READWRITE,
-                                   &error_abort);
+                                   &spapr->kernel_addr, OBJ_PROP_FLAG_READWRITE);
     object_property_set_description(obj, "kernel-addr",
                                     stringify(KERNEL_LOAD_ADDR)
-                                    " for -kernel is the default",
-                                    NULL);
+                                    " for -kernel is the default");
     spapr->kernel_addr = KERNEL_LOAD_ADDR;
     /* The machine class defines the default interrupt controller mode */
     spapr->irq = smc->irq;
     object_property_add_str(obj, "ic-mode", spapr_get_ic_mode,
-                            spapr_set_ic_mode, NULL);
+                            spapr_set_ic_mode);
     object_property_set_description(obj, "ic-mode",
-                 "Specifies the interrupt controller mode (xics, xive, dual)",
-                 NULL);
+                 "Specifies the interrupt controller mode (xics, xive, dual)");
 
     object_property_add_str(obj, "host-model",
-        spapr_get_host_model, spapr_set_host_model,
-        &error_abort);
+        spapr_get_host_model, spapr_set_host_model);
     object_property_set_description(obj, "host-model",
-        "Host model to advertise in guest device tree", &error_abort);
+        "Host model to advertise in guest device tree");
     object_property_add_str(obj, "host-serial",
-        spapr_get_host_serial, spapr_set_host_serial,
-        &error_abort);
+        spapr_get_host_serial, spapr_set_host_serial);
     object_property_set_description(obj, "host-serial",
-        "Host serial number to advertise in guest device tree", &error_abort);
+        "Host serial number to advertise in guest device tree");
 }
 
 static void spapr_machine_finalizefn(Object *obj)
@@ -3681,7 +3670,7 @@ static void spapr_memory_unplug(HotplugHandler *hotplug_dev, DeviceState *dev)
     SpaprDimmState *ds = spapr_pending_dimm_unplugs_find(spapr, PC_DIMM(dev));
 
     pc_dimm_unplug(PC_DIMM(dev), MACHINE(hotplug_dev));
-    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
     spapr_pending_dimm_unplugs_remove(spapr, ds);
 }
 
@@ -3774,7 +3763,7 @@ static void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *dev)
 
     assert(core_slot);
     core_slot->cpu = NULL;
-    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
 }
 
 static
@@ -4024,7 +4013,7 @@ static void spapr_phb_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
     /* hotplug hooks should check it's enabled before getting this far */
     assert(drc);
 
-    spapr_drc_attach(drc, DEVICE(dev), &local_err);
+    spapr_drc_attach(drc, dev, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
         return;
@@ -4047,7 +4036,7 @@ void spapr_phb_release(DeviceState *dev)
 
 static void spapr_phb_unplug(HotplugHandler *hotplug_dev, DeviceState *dev)
 {
-    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
 }
 
 static void spapr_phb_unplug_request(HotplugHandler *hotplug_dev,
@@ -4083,7 +4072,7 @@ static void spapr_tpm_proxy_unplug(HotplugHandler *hotplug_dev, DeviceState *dev
 {
     SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev));
 
-    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
     object_unparent(OBJECT(dev));
     spapr->tpm_proxy = NULL;
 }
@@ -4535,7 +4524,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
     smc->default_caps.caps[SPAPR_CAP_LARGE_DECREMENTER] = SPAPR_CAP_ON;
     smc->default_caps.caps[SPAPR_CAP_CCF_ASSIST] = SPAPR_CAP_ON;
     smc->default_caps.caps[SPAPR_CAP_FWNMI] = SPAPR_CAP_ON;
-    spapr_caps_add_properties(smc, &error_abort);
+    spapr_caps_add_properties(smc);
     smc->irq = &spapr_irq_dual;
     smc->dr_phb_enabled = true;
     smc->linux_pci_probe = true;
diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c
index eb54f94227..efdc0dbbcf 100644
--- a/hw/ppc/spapr_caps.c
+++ b/hw/ppc/spapr_caps.c
@@ -824,9 +824,8 @@ void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu)
     }
 }
 
-void spapr_caps_add_properties(SpaprMachineClass *smc, Error **errp)
+void spapr_caps_add_properties(SpaprMachineClass *smc)
 {
-    Error *local_err = NULL;
     ObjectClass *klass = OBJECT_CLASS(smc);
     int i;
 
@@ -837,20 +836,11 @@ void spapr_caps_add_properties(SpaprMachineClass *smc, Error **errp)
 
         object_class_property_add(klass, name, cap->type,
                                   cap->get, cap->set,
-                                  NULL, cap, &local_err);
-        if (local_err) {
-            error_propagate(errp, local_err);
-            g_free(name);
-            return;
-        }
+                                  NULL, cap);
 
         desc = g_strdup_printf("%s", cap->description);
-        object_class_property_set_description(klass, name, desc, &local_err);
+        object_class_property_set_description(klass, name, desc);
         g_free(name);
         g_free(desc);
-        if (local_err) {
-            error_propagate(errp, local_err);
-            return;
-        }
     }
 }
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
index ac1c109427..e1f76c74f3 100644
--- a/hw/ppc/spapr_cpu_core.c
+++ b/hw/ppc/spapr_cpu_core.c
@@ -218,7 +218,7 @@ static void spapr_cpu_core_reset_handler(void *opaque)
     spapr_cpu_core_reset(opaque);
 }
 
-static void spapr_cpu_core_unrealize(DeviceState *dev, Error **errp)
+static void spapr_cpu_core_unrealize(DeviceState *dev)
 {
     SpaprCpuCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
     CPUCore *cc = CPU_CORE(dev);
@@ -290,11 +290,8 @@ static PowerPCCPU *spapr_create_vcpu(SpaprCpuCore *sc, int i, Error **errp)
     cpu->node_id = sc->node_id;
 
     id = g_strdup_printf("thread[%d]", i);
-    object_property_add_child(OBJECT(sc), id, obj, &local_err);
+    object_property_add_child(OBJECT(sc), id, obj);
     g_free(id);
-    if (local_err) {
-        goto err;
-    }
 
     cpu->machine_data = g_new0(SpaprCpuState, 1);
 
diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c
index 47e6bb12f9..b958f8acb5 100644
--- a/hw/ppc/spapr_drc.c
+++ b/hw/ppc/spapr_drc.c
@@ -392,7 +392,7 @@ void spapr_drc_attach(SpaprDrc *drc, DeviceState *d, Error **errp)
     object_property_add_link(OBJECT(drc), "device",
                              object_get_typename(OBJECT(drc->dev)),
                              (Object **)(&drc->dev),
-                             NULL, 0, NULL);
+                             NULL, 0);
 }
 
 static void spapr_drc_release(SpaprDrc *drc)
@@ -405,7 +405,7 @@ static void spapr_drc_release(SpaprDrc *drc)
     g_free(drc->fdt);
     drc->fdt = NULL;
     drc->fdt_start_offset = 0;
-    object_property_del(OBJECT(drc), "device", &error_abort);
+    object_property_del(OBJECT(drc), "device");
     drc->dev = NULL;
 }
 
@@ -518,8 +518,7 @@ static void realize(DeviceState *d, Error **errp)
     SpaprDrc *drc = SPAPR_DR_CONNECTOR(d);
     Object *root_container;
     gchar *link_name;
-    gchar *child_name;
-    Error *err = NULL;
+    char *child_name;
 
     trace_spapr_drc_realize(spapr_drc_index(drc));
     /* NOTE: we do this as part of realize/unrealize due to the fact
@@ -534,19 +533,15 @@ static void realize(DeviceState *d, Error **errp)
     child_name = object_get_canonical_path_component(OBJECT(drc));
     trace_spapr_drc_realize_child(spapr_drc_index(drc), child_name);
     object_property_add_alias(root_container, link_name,
-                              drc->owner, child_name, &err);
+                              drc->owner, child_name);
     g_free(child_name);
     g_free(link_name);
-    if (err) {
-        error_propagate(errp, err);
-        return;
-    }
     vmstate_register(VMSTATE_IF(drc), spapr_drc_index(drc), &vmstate_spapr_drc,
                      drc);
     trace_spapr_drc_realize_complete(spapr_drc_index(drc));
 }
 
-static void unrealize(DeviceState *d, Error **errp)
+static void unrealize(DeviceState *d)
 {
     SpaprDrc *drc = SPAPR_DR_CONNECTOR(d);
     Object *root_container;
@@ -556,7 +551,7 @@ static void unrealize(DeviceState *d, Error **errp)
     vmstate_unregister(VMSTATE_IF(drc), &vmstate_spapr_drc, drc);
     root_container = container_get(object_get_root(), DRC_CONTAINER_PATH);
     name = g_strdup_printf("%x", spapr_drc_index(drc));
-    object_property_del(root_container, name, errp);
+    object_property_del(root_container, name);
     g_free(name);
 }
 
@@ -570,7 +565,7 @@ SpaprDrc *spapr_dr_connector_new(Object *owner, const char *type,
     drc->owner = owner;
     prop_name = g_strdup_printf("dr-connector[%"PRIu32"]",
                                 spapr_drc_index(drc));
-    object_property_add_child(owner, prop_name, OBJECT(drc), &error_abort);
+    object_property_add_child(owner, prop_name, OBJECT(drc));
     object_unref(OBJECT(drc));
     object_property_set_bool(OBJECT(drc), true, "realized", NULL);
     g_free(prop_name);
@@ -583,12 +578,11 @@ static void spapr_dr_connector_instance_init(Object *obj)
     SpaprDrc *drc = SPAPR_DR_CONNECTOR(obj);
     SpaprDrcClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
 
-    object_property_add_uint32_ptr(obj, "id", &drc->id, OBJ_PROP_FLAG_READ,
-                                   NULL);
+    object_property_add_uint32_ptr(obj, "id", &drc->id, OBJ_PROP_FLAG_READ);
     object_property_add(obj, "index", "uint32", prop_get_index,
-                        NULL, NULL, NULL, NULL);
+                        NULL, NULL, NULL);
     object_property_add(obj, "fdt", "struct", prop_get_fdt,
-                        NULL, NULL, NULL, NULL);
+                        NULL, NULL, NULL);
     drc->state = drck->empty_state;
 }
 
@@ -656,17 +650,11 @@ static void realize_physical(DeviceState *d, Error **errp)
     qemu_register_reset(drc_physical_reset, drcp);
 }
 
-static void unrealize_physical(DeviceState *d, Error **errp)
+static void unrealize_physical(DeviceState *d)
 {
     SpaprDrcPhysical *drcp = SPAPR_DRC_PHYSICAL(d);
-    Error *local_err = NULL;
-
-    unrealize(d, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
 
+    unrealize(d);
     vmstate_unregister(VMSTATE_IF(drcp), &vmstate_spapr_drc_physical, drcp);
     qemu_unregister_reset(drc_physical_reset, drcp);
 }
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c
index 5704fe6051..7e1d6d59ac 100644
--- a/hw/ppc/spapr_iommu.c
+++ b/hw/ppc/spapr_iommu.c
@@ -365,7 +365,7 @@ SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn)
     tcet->liobn = liobn;
 
     tmp = g_strdup_printf("tce-table-%x", liobn);
-    object_property_add_child(OBJECT(owner), tmp, OBJECT(tcet), NULL);
+    object_property_add_child(OBJECT(owner), tmp, OBJECT(tcet));
     g_free(tmp);
     object_unref(OBJECT(tcet));
 
@@ -416,7 +416,7 @@ void spapr_tce_table_disable(SpaprTceTable *tcet)
     tcet->nb_table = 0;
 }
 
-static void spapr_tce_table_unrealize(DeviceState *dev, Error **errp)
+static void spapr_tce_table_unrealize(DeviceState *dev)
 {
     SpaprTceTable *tcet = SPAPR_TCE_TABLE(dev);
 
diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
index 1f630f296b..0c594aa72e 100644
--- a/hw/ppc/spapr_irq.c
+++ b/hw/ppc/spapr_irq.c
@@ -307,7 +307,7 @@ void spapr_irq_init(SpaprMachineState *spapr, Error **errp)
 
         obj = object_new(TYPE_ICS_SPAPR);
 
-        object_property_add_child(OBJECT(spapr), "ics", obj, &error_abort);
+        object_property_add_child(OBJECT(spapr), "ics", obj);
         object_property_set_link(obj, OBJECT(spapr), ICS_PROP_XICS,
                                  &error_abort);
         object_property_set_int(obj, smc->nr_xirqs, "nr-irqs", &error_abort);
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 61b84a392d..83f1453096 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1203,46 +1203,36 @@ static SpaprDrc *drc_from_devfn(SpaprPhbState *phb,
                            drc_id_from_devfn(phb, chassis, devfn));
 }
 
-static uint8_t chassis_from_bus(PCIBus *bus, Error **errp)
+static uint8_t chassis_from_bus(PCIBus *bus)
 {
     if (pci_bus_is_root(bus)) {
         return 0;
     } else {
         PCIDevice *bridge = pci_bridge_get_device(bus);
 
-        return object_property_get_uint(OBJECT(bridge), "chassis_nr", errp);
+        return object_property_get_uint(OBJECT(bridge), "chassis_nr",
+                                        &error_abort);
     }
 }
 
 static SpaprDrc *drc_from_dev(SpaprPhbState *phb, PCIDevice *dev)
 {
-    Error *local_err = NULL;
-    uint8_t chassis = chassis_from_bus(pci_get_bus(dev), &local_err);
-
-    if (local_err) {
-        error_report_err(local_err);
-        return NULL;
-    }
+    uint8_t chassis = chassis_from_bus(pci_get_bus(dev));
 
     return drc_from_devfn(phb, chassis, dev->devfn);
 }
 
-static void add_drcs(SpaprPhbState *phb, PCIBus *bus, Error **errp)
+static void add_drcs(SpaprPhbState *phb, PCIBus *bus)
 {
     Object *owner;
     int i;
     uint8_t chassis;
-    Error *local_err = NULL;
 
     if (!phb->dr_enabled) {
         return;
     }
 
-    chassis = chassis_from_bus(bus, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
+    chassis = chassis_from_bus(bus);
 
     if (pci_bus_is_root(bus)) {
         owner = OBJECT(phb);
@@ -1256,21 +1246,16 @@ static void add_drcs(SpaprPhbState *phb, PCIBus *bus, Error **errp)
     }
 }
 
-static void remove_drcs(SpaprPhbState *phb, PCIBus *bus, Error **errp)
+static void remove_drcs(SpaprPhbState *phb, PCIBus *bus)
 {
     int i;
     uint8_t chassis;
-    Error *local_err = NULL;
 
     if (!phb->dr_enabled) {
         return;
     }
 
-    chassis = chassis_from_bus(bus, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
+    chassis = chassis_from_bus(bus);
 
     for (i = PCI_SLOT_MAX * PCI_FUNC_MAX - 1; i >= 0; i--) {
         SpaprDrc *drc = drc_from_devfn(phb, chassis, i);
@@ -1488,17 +1473,11 @@ int spapr_pci_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
 }
 
 static void spapr_pci_bridge_plug(SpaprPhbState *phb,
-                                  PCIBridge *bridge,
-                                  Error **errp)
+                                  PCIBridge *bridge)
 {
-    Error *local_err = NULL;
     PCIBus *bus = pci_bridge_get_sec_bus(bridge);
 
-    add_drcs(phb, bus, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
+    add_drcs(phb, bus);
 }
 
 static void spapr_pci_plug(HotplugHandler *plug_handler,
@@ -1529,11 +1508,7 @@ static void spapr_pci_plug(HotplugHandler *plug_handler,
     g_assert(drc);
 
     if (pc->is_bridge) {
-        spapr_pci_bridge_plug(phb, PCI_BRIDGE(plugged_dev), &local_err);
-        if (local_err) {
-            error_propagate(errp, local_err);
-            return;
-        }
+        spapr_pci_bridge_plug(phb, PCI_BRIDGE(plugged_dev));
     }
 
     /* Following the QEMU convention used for PCIe multifunction
@@ -1560,12 +1535,7 @@ static void spapr_pci_plug(HotplugHandler *plug_handler,
         spapr_drc_reset(drc);
     } else if (PCI_FUNC(pdev->devfn) == 0) {
         int i;
-        uint8_t chassis = chassis_from_bus(pci_get_bus(pdev), &local_err);
-
-        if (local_err) {
-            error_propagate(errp, local_err);
-            return;
-        }
+        uint8_t chassis = chassis_from_bus(pci_get_bus(pdev));
 
         for (i = 0; i < 8; i++) {
             SpaprDrc *func_drc;
@@ -1587,17 +1557,11 @@ out:
 }
 
 static void spapr_pci_bridge_unplug(SpaprPhbState *phb,
-                                    PCIBridge *bridge,
-                                    Error **errp)
+                                    PCIBridge *bridge)
 {
-    Error *local_err = NULL;
     PCIBus *bus = pci_bridge_get_sec_bus(bridge);
 
-    remove_drcs(phb, bus, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
+    remove_drcs(phb, bus);
 }
 
 static void spapr_pci_unplug(HotplugHandler *plug_handler,
@@ -1619,15 +1583,12 @@ static void spapr_pci_unplug(HotplugHandler *plug_handler,
     pci_device_reset(PCI_DEVICE(plugged_dev));
 
     if (pc->is_bridge) {
-        Error *local_err = NULL;
-        spapr_pci_bridge_unplug(phb, PCI_BRIDGE(plugged_dev), &local_err);
-        if (local_err) {
-            error_propagate(errp, local_err);
-        }
+        spapr_pci_bridge_unplug(phb, PCI_BRIDGE(plugged_dev));
         return;
     }
 
-    object_property_set_bool(OBJECT(plugged_dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(plugged_dev), false, "realized",
+                             &error_abort);
 }
 
 static void spapr_pci_unplug_request(HotplugHandler *plug_handler,
@@ -1653,13 +1614,7 @@ static void spapr_pci_unplug_request(HotplugHandler *plug_handler,
         SpaprDrcClass *func_drck;
         SpaprDREntitySense state;
         int i;
-        Error *local_err = NULL;
-        uint8_t chassis = chassis_from_bus(pci_get_bus(pdev), &local_err);
-
-        if (local_err) {
-            error_propagate(errp, local_err);
-            return;
-        }
+        uint8_t chassis = chassis_from_bus(pci_get_bus(pdev));
 
         if (pc->is_bridge) {
             error_setg(errp, "PCI: Hot unplug of PCI bridges not supported");
@@ -1715,7 +1670,7 @@ static void spapr_phb_finalizefn(Object *obj)
     sphb->dtbusname = NULL;
 }
 
-static void spapr_phb_unrealize(DeviceState *dev, Error **errp)
+static void spapr_phb_unrealize(DeviceState *dev)
 {
     SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
     SysBusDevice *s = SYS_BUS_DEVICE(dev);
@@ -1724,7 +1679,6 @@ static void spapr_phb_unrealize(DeviceState *dev, Error **errp)
     SpaprTceTable *tcet;
     int i;
     const unsigned windows_supported = spapr_phb_windows_supported(sphb);
-    Error *local_err = NULL;
 
     spapr_phb_nvgpu_free(sphb);
 
@@ -1745,11 +1699,7 @@ static void spapr_phb_unrealize(DeviceState *dev, Error **errp)
         }
     }
 
-    remove_drcs(sphb, phb->bus, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
+    remove_drcs(sphb, phb->bus);
 
     for (i = PCI_NUM_PINS - 1; i >= 0; i--) {
         if (sphb->lsi_table[i].irq) {
@@ -1988,11 +1938,7 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
     }
 
     /* allocate connectors for child PCI devices */
-    add_drcs(sphb, phb->bus, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        goto unrealize;
-    }
+    add_drcs(sphb, phb->bus);
 
     /* DMA setup */
     for (i = 0; i < windows_supported; ++i) {
@@ -2011,7 +1957,7 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
     return;
 
 unrealize:
-    spapr_phb_unrealize(dev, NULL);
+    spapr_phb_unrealize(dev);
 }
 
 static int spapr_phb_children_reset(Object *child, void *opaque)
diff --git a/hw/ppc/spapr_rng.c b/hw/ppc/spapr_rng.c
index e8e8d65ec0..85bf64d68e 100644
--- a/hw/ppc/spapr_rng.c
+++ b/hw/ppc/spapr_rng.c
@@ -103,8 +103,7 @@ static void spapr_rng_instance_init(Object *obj)
     }
 
     object_property_set_description(obj, "rng",
-                                    "ID of the random number generator backend",
-                                    NULL);
+                                    "ID of the random number generator backend");
 }
 
 static void spapr_rng_realize(DeviceState *dev, Error **errp)
diff --git a/hw/ppc/spapr_rtc.c b/hw/ppc/spapr_rtc.c
index 42ff72c269..68cfc578a3 100644
--- a/hw/ppc/spapr_rtc.c
+++ b/hw/ppc/spapr_rtc.c
@@ -149,7 +149,7 @@ static void spapr_rtc_realize(DeviceState *dev, Error **errp)
     rtc_ns = qemu_clock_get_ns(rtc_clock);
     rtc->ns_offset = host_s * NANOSECONDS_PER_SECOND - rtc_ns;
 
-    object_property_add_tm(OBJECT(rtc), "date", spapr_rtc_qom_date, NULL);
+    object_property_add_tm(OBJECT(rtc), "date", spapr_rtc_qom_date);
 }
 
 static const VMStateDescription vmstate_spapr_rtc = {
diff --git a/hw/ppc/spapr_tpm_proxy.c b/hw/ppc/spapr_tpm_proxy.c
index 991615d77a..a01f81f9e0 100644
--- a/hw/ppc/spapr_tpm_proxy.c
+++ b/hw/ppc/spapr_tpm_proxy.c
@@ -140,7 +140,7 @@ static void spapr_tpm_proxy_realize(DeviceState *d, Error **errp)
     qemu_register_reset(spapr_tpm_proxy_reset, tpm_proxy);
 }
 
-static void spapr_tpm_proxy_unrealize(DeviceState *d, Error **errp)
+static void spapr_tpm_proxy_unrealize(DeviceState *d)
 {
     SpaprTpmProxy *tpm_proxy = SPAPR_TPM_PROXY(d);
 
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index bed10fcfa8..4299bdf480 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -441,17 +441,18 @@ static void sifive_u_machine_instance_init(Object *obj)
     SiFiveUState *s = RISCV_U_MACHINE(obj);
 
     s->start_in_flash = false;
-    object_property_add_bool(obj, "start-in-flash", sifive_u_machine_get_start_in_flash,
-                             sifive_u_machine_set_start_in_flash, NULL);
+    object_property_add_bool(obj, "start-in-flash",
+                             sifive_u_machine_get_start_in_flash,
+                             sifive_u_machine_set_start_in_flash);
     object_property_set_description(obj, "start-in-flash",
                                     "Set on to tell QEMU's ROM to jump to "
-                                    "flash. Otherwise QEMU will jump to DRAM",
-                                    NULL);
+                                    "flash. Otherwise QEMU will jump to DRAM");
 
     s->serial = OTP_SERIAL;
-    object_property_add(obj, "serial", "uint32", sifive_u_machine_get_serial,
-                        sifive_u_machine_set_serial, NULL, &s->serial, NULL);
-    object_property_set_description(obj, "serial", "Board serial number", NULL);
+    object_property_add(obj, "serial", "uint32",
+                        sifive_u_machine_get_serial,
+                        sifive_u_machine_set_serial, NULL, &s->serial);
+    object_property_set_description(obj, "serial", "Board serial number");
 }
 
 static void sifive_u_machine_class_init(ObjectClass *oc, void *data)
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index daae3ebdbb..c695a44979 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -92,10 +92,9 @@ static PFlashCFI01 *virt_flash_create1(RISCVVirtState *s,
     qdev_prop_set_uint16(dev, "id3", 0x00);
     qdev_prop_set_string(dev, "name", name);
 
-    object_property_add_child(OBJECT(s), name, OBJECT(dev),
-                              &error_abort);
+    object_property_add_child(OBJECT(s), name, OBJECT(dev));
     object_property_add_alias(OBJECT(s), alias_prop_name,
-                              OBJECT(dev), "drive", &error_abort);
+                              OBJECT(dev), "drive");
 
     return PFLASH_CFI01(dev);
 }
diff --git a/hw/rtc/mc146818rtc.c b/hw/rtc/mc146818rtc.c
index d18c09911b..9c30cbdcd7 100644
--- a/hw/rtc/mc146818rtc.c
+++ b/hw/rtc/mc146818rtc.c
@@ -962,7 +962,7 @@ static void rtc_realizefn(DeviceState *dev, Error **errp)
     qdev_set_legacy_instance_id(dev, RTC_ISA_BASE, 3);
     qemu_register_reset(rtc_reset, s);
 
-    object_property_add_tm(OBJECT(s), "date", rtc_get_date, NULL);
+    object_property_add_tm(OBJECT(s), "date", rtc_get_date);
 
     qdev_init_gpio_out(dev, &s->irq, 1);
     QLIST_INSERT_HEAD(&rtc_devices, s, link);
@@ -984,7 +984,7 @@ ISADevice *mc146818_rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq)
     }
 
     object_property_add_alias(qdev_get_machine(), "rtc-time", OBJECT(isadev),
-                              "date", NULL);
+                              "date");
 
     return isadev;
 }
diff --git a/hw/s390x/ap-bridge.c b/hw/s390x/ap-bridge.c
index 9284de4eec..d0dbd0f1b6 100644
--- a/hw/s390x/ap-bridge.c
+++ b/hw/s390x/ap-bridge.c
@@ -51,7 +51,7 @@ void s390_init_ap(void)
     /* Create bridge device */
     dev = qdev_create(NULL, TYPE_AP_BRIDGE);
     object_property_add_child(qdev_get_machine(), TYPE_AP_BRIDGE,
-                              OBJECT(dev), NULL);
+                              OBJECT(dev));
     qdev_init_nofail(dev);
 
     /* Create bus on bridge device */
diff --git a/hw/s390x/css-bridge.c b/hw/s390x/css-bridge.c
index a306a78e6c..3f6aec6b6a 100644
--- a/hw/s390x/css-bridge.c
+++ b/hw/s390x/css-bridge.c
@@ -54,7 +54,7 @@ static void ccw_device_unplug(HotplugHandler *hotplug_dev,
 
     css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 1, 0);
 
-    object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+    object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
 }
 
 static void virtual_css_bus_reset(BusState *qbus)
@@ -103,7 +103,7 @@ VirtualCssBus *virtual_css_bus_init(void)
     /* Create bridge device */
     dev = qdev_create(NULL, TYPE_VIRTUAL_CSS_BRIDGE);
     object_property_add_child(qdev_get_machine(), TYPE_VIRTUAL_CSS_BRIDGE,
-                              OBJECT(dev), NULL);
+                              OBJECT(dev));
     qdev_init_nofail(dev);
 
     /* Create bus on bridge device */
@@ -141,11 +141,10 @@ static void virtual_css_bridge_class_init(ObjectClass *klass, void *data)
     set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
     device_class_set_props(dc, virtual_css_bridge_properties);
     object_class_property_add_bool(klass, "cssid-unrestricted",
-                                   prop_get_true, NULL, NULL);
+                                   prop_get_true, NULL);
     object_class_property_set_description(klass, "cssid-unrestricted",
             "A css device can use any cssid, regardless whether virtual"
-            " or not (read only, always true)",
-            NULL);
+            " or not (read only, always true)");
 }
 
 static const TypeInfo virtual_css_bridge_info = {
diff --git a/hw/s390x/event-facility.c b/hw/s390x/event-facility.c
index 9d6972afa8..97a4f0b1f5 100644
--- a/hw/s390x/event-facility.c
+++ b/hw/s390x/event-facility.c
@@ -449,18 +449,18 @@ static void init_event_facility(Object *obj)
     event_facility->allow_all_mask_sizes = true;
     object_property_add_bool(obj, "allow_all_mask_sizes",
                              sclp_event_get_allow_all_mask_sizes,
-                             sclp_event_set_allow_all_mask_sizes, NULL);
+                             sclp_event_set_allow_all_mask_sizes);
     /* Spawn a new bus for SCLP events */
     qbus_create_inplace(&event_facility->sbus, sizeof(event_facility->sbus),
                         TYPE_SCLP_EVENTS_BUS, sdev, NULL);
 
     new = object_new(TYPE_SCLP_QUIESCE);
-    object_property_add_child(obj, TYPE_SCLP_QUIESCE, new, NULL);
+    object_property_add_child(obj, TYPE_SCLP_QUIESCE, new);
     object_unref(new);
     qdev_set_parent_bus(DEVICE(new), BUS(&event_facility->sbus));
 
     new = object_new(TYPE_SCLP_CPU_HOTPLUG);
-    object_property_add_child(obj, TYPE_SCLP_CPU_HOTPLUG, new, NULL);
+    object_property_add_child(obj, TYPE_SCLP_CPU_HOTPLUG, new);
     object_unref(new);
     qdev_set_parent_bus(DEVICE(new), BUS(&event_facility->sbus));
     /* the facility will automatically realize the devices via the bus */
diff --git a/hw/s390x/s390-ccw.c b/hw/s390x/s390-ccw.c
index 0c5a5b60bd..c48510f9e5 100644
--- a/hw/s390x/s390-ccw.c
+++ b/hw/s390x/s390-ccw.c
@@ -132,7 +132,7 @@ out_err_propagate:
     error_propagate(errp, err);
 }
 
-static void s390_ccw_unrealize(S390CCWDevice *cdev, Error **errp)
+static void s390_ccw_unrealize(S390CCWDevice *cdev)
 {
     CcwDevice *ccw_dev = CCW_DEVICE(cdev);
     SubchDev *sch = ccw_dev->sch;
@@ -151,7 +151,7 @@ static void s390_ccw_instance_init(Object *obj)
     S390CCWDevice *dev = S390_CCW_DEVICE(obj);
 
     device_add_bootindex_property(obj, &dev->bootindex, "bootindex",
-                                  "/disk@0,0", DEVICE(obj), NULL);
+                                  "/disk@0,0", DEVICE(obj));
 }
 
 static void s390_ccw_class_init(ObjectClass *klass, void *data)
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index ed8be124da..c4a4259f0c 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -1003,7 +1003,7 @@ static void s390_pcihost_unplug(HotplugHandler *hotplug_dev, DeviceState *dev,
                                      pbdev->fh, pbdev->fid);
         bus = pci_get_bus(pci_dev);
         devfn = pci_dev->devfn;
-        object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+        object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
 
         s390_pci_msix_free(pbdev);
         s390_pci_iommu_free(s, bus, devfn);
@@ -1014,7 +1014,7 @@ static void s390_pcihost_unplug(HotplugHandler *hotplug_dev, DeviceState *dev,
         pbdev->fid = 0;
         QTAILQ_REMOVE(&s->zpci_devs, pbdev, link);
         g_hash_table_remove(s->zpci_table, &pbdev->idx);
-        object_property_set_bool(OBJECT(dev), false, "realized", NULL);
+        object_property_set_bool(OBJECT(dev), false, "realized", &error_abort);
     }
 }
 
diff --git a/hw/s390x/s390-skeys.c b/hw/s390x/s390-skeys.c
index a9a4ae7b39..d304b85640 100644
--- a/hw/s390x/s390-skeys.c
+++ b/hw/s390x/s390-skeys.c
@@ -45,7 +45,7 @@ void s390_skeys_init(void)
         obj = object_new(TYPE_QEMU_S390_SKEYS);
     }
     object_property_add_child(qdev_get_machine(), TYPE_S390_SKEYS,
-                              obj, NULL);
+                              obj);
     object_unref(obj);
 
     qdev_init_nofail(DEVICE(obj));
@@ -400,7 +400,7 @@ static void s390_skeys_instance_init(Object *obj)
 {
     object_property_add_bool(obj, "migration-enabled",
                              s390_skeys_get_migration_enabled,
-                             s390_skeys_set_migration_enabled, NULL);
+                             s390_skeys_set_migration_enabled);
     object_property_set_bool(obj, true, "migration-enabled", NULL);
 }
 
diff --git a/hw/s390x/s390-stattrib.c b/hw/s390x/s390-stattrib.c
index 58121b9f68..6d1e587527 100644
--- a/hw/s390x/s390-stattrib.c
+++ b/hw/s390x/s390-stattrib.c
@@ -47,7 +47,7 @@ void s390_stattrib_init(void)
     }
 
     object_property_add_child(qdev_get_machine(), TYPE_S390_STATTRIB,
-                              obj, NULL);
+                              obj);
     object_unref(obj);
 
     qdev_init_nofail(DEVICE(obj));
@@ -387,7 +387,7 @@ static void s390_stattrib_instance_init(Object *obj)
 
     object_property_add_bool(obj, "migration-enabled",
                              s390_stattrib_get_migration_enabled,
-                             s390_stattrib_set_migration_enabled, NULL);
+                             s390_stattrib_set_migration_enabled);
     object_property_set_bool(obj, true, "migration-enabled", NULL);
     sas->migration_cur_gfn = 0;
 }
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index f660070d22..67ae2e02ff 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -208,7 +208,7 @@ static void s390_init_ipl_dev(const char *kernel_filename,
     }
     g_free(netboot_fw_prop);
     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
-                              new, NULL);
+                              new);
     object_unref(new);
     qdev_init_nofail(dev);
 }
@@ -271,7 +271,7 @@ static void ccw_init(MachineState *machine)
 
     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
-                              OBJECT(dev), NULL);
+                              OBJECT(dev));
     qdev_init_nofail(dev);
 
     /* register hypercalls */
@@ -729,26 +729,23 @@ static inline void s390_machine_initfn(Object *obj)
 {
     object_property_add_bool(obj, "aes-key-wrap",
                              machine_get_aes_key_wrap,
-                             machine_set_aes_key_wrap, NULL);
+                             machine_set_aes_key_wrap);
     object_property_set_description(obj, "aes-key-wrap",
-            "enable/disable AES key wrapping using the CPACF wrapping key",
-            NULL);
+            "enable/disable AES key wrapping using the CPACF wrapping key");
     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
 
     object_property_add_bool(obj, "dea-key-wrap",
                              machine_get_dea_key_wrap,
-                             machine_set_dea_key_wrap, NULL);
+                             machine_set_dea_key_wrap);
     object_property_set_description(obj, "dea-key-wrap",
-            "enable/disable DEA key wrapping using the CPACF wrapping key",
-            NULL);
+            "enable/disable DEA key wrapping using the CPACF wrapping key");
     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
     object_property_add_str(obj, "loadparm",
-            machine_get_loadparm, machine_set_loadparm, NULL);
+            machine_get_loadparm, machine_set_loadparm);
     object_property_set_description(obj, "loadparm",
             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
             " to upper case) to pass to machine loader, boot manager,"
-            " and guest kernel",
-            NULL);
+            " and guest kernel");
 }
 
 static const TypeInfo ccw_machine_info = {
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
index ede056b3ef..20aca30ac4 100644
--- a/hw/s390x/sclp.c
+++ b/hw/s390x/sclp.c
@@ -320,9 +320,8 @@ void s390_sclp_init(void)
 {
     Object *new = object_new(TYPE_SCLP);
 
-    object_property_add_child(qdev_get_machine(), TYPE_SCLP, new,
-                              NULL);
-    object_unref(OBJECT(new));
+    object_property_add_child(qdev_get_machine(), TYPE_SCLP, new);
+    object_unref(new);
     qdev_init_nofail(DEVICE(new));
 }
 
@@ -383,7 +382,7 @@ static void sclp_init(Object *obj)
     Object *new;
 
     new = object_new(TYPE_SCLP_EVENT_FACILITY);
-    object_property_add_child(obj, TYPE_SCLP_EVENT_FACILITY, new, NULL);
+    object_property_add_child(obj, TYPE_SCLP_EVENT_FACILITY, new);
     object_unref(new);
     sclp->event_facility = EVENT_FACILITY(new);
 
diff --git a/hw/s390x/tod.c b/hw/s390x/tod.c
index 2499d6f656..7324e37b5e 100644
--- a/hw/s390x/tod.c
+++ b/hw/s390x/tod.c
@@ -26,7 +26,7 @@ void s390_init_tod(void)
     } else {
         obj = object_new(TYPE_QEMU_S390_TOD);
     }
-    object_property_add_child(qdev_get_machine(), TYPE_S390_TOD, obj, NULL);
+    object_property_add_child(qdev_get_machine(), TYPE_S390_TOD, obj);
     object_unref(obj);
 
     qdev_init_nofail(DEVICE(obj));
diff --git a/hw/s390x/virtio-ccw-balloon.c b/hw/s390x/virtio-ccw-balloon.c
index 5d28e72345..ef3308ecab 100644
--- a/hw/s390x/virtio-ccw-balloon.c
+++ b/hw/s390x/virtio-ccw-balloon.c
@@ -32,10 +32,10 @@ static void virtio_ccw_balloon_instance_init(Object *obj)
     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
                                 TYPE_VIRTIO_BALLOON);
     object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev),
-                              "guest-stats", &error_abort);
+                              "guest-stats");
     object_property_add_alias(obj, "guest-stats-polling-interval",
                               OBJECT(&dev->vdev),
-                              "guest-stats-polling-interval", &error_abort);
+                              "guest-stats-polling-interval");
 }
 
 static Property virtio_ccw_balloon_properties[] = {
diff --git a/hw/s390x/virtio-ccw-blk.c b/hw/s390x/virtio-ccw-blk.c
index bf8520e60a..7287932b7e 100644
--- a/hw/s390x/virtio-ccw-blk.c
+++ b/hw/s390x/virtio-ccw-blk.c
@@ -32,7 +32,7 @@ static void virtio_ccw_blk_instance_init(Object *obj)
     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
                                 TYPE_VIRTIO_BLK);
     object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
-                              "bootindex", &error_abort);
+                              "bootindex");
 }
 
 static Property virtio_ccw_blk_properties[] = {
diff --git a/hw/s390x/virtio-ccw-net.c b/hw/s390x/virtio-ccw-net.c
index cd02699934..26c4d873bf 100644
--- a/hw/s390x/virtio-ccw-net.c
+++ b/hw/s390x/virtio-ccw-net.c
@@ -35,7 +35,7 @@ static void virtio_ccw_net_instance_init(Object *obj)
     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
                                 TYPE_VIRTIO_NET);
     object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
-                              "bootindex", &error_abort);
+                              "bootindex");
 }
 
 static Property virtio_ccw_net_properties[] = {
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 64f928fc7d..c1f4bb1d33 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -752,14 +752,14 @@ out_err:
     g_free(sch);
 }
 
-static void virtio_ccw_device_unrealize(VirtioCcwDevice *dev, Error **errp)
+static void virtio_ccw_device_unrealize(VirtioCcwDevice *dev)
 {
     VirtIOCCWDeviceClass *dc = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
     CcwDevice *ccw_dev = CCW_DEVICE(dev);
     SubchDev *sch = ccw_dev->sch;
 
     if (dc->unrealize) {
-        dc->unrealize(dev, errp);
+        dc->unrealize(dev);
     }
 
     if (sch) {
@@ -1155,11 +1155,11 @@ static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp)
     virtio_ccw_device_realize(_dev, errp);
 }
 
-static void virtio_ccw_busdev_unrealize(DeviceState *dev, Error **errp)
+static void virtio_ccw_busdev_unrealize(DeviceState *dev)
 {
     VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
 
-    virtio_ccw_device_unrealize(_dev, errp);
+    virtio_ccw_device_unrealize(_dev);
 }
 
 static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev,
diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h
index 3453aa1f98..c0e3355248 100644
--- a/hw/s390x/virtio-ccw.h
+++ b/hw/s390x/virtio-ccw.h
@@ -76,7 +76,7 @@ typedef struct VirtioCcwDevice VirtioCcwDevice;
 typedef struct VirtIOCCWDeviceClass {
     CCWDeviceClass parent_class;
     void (*realize)(VirtioCcwDevice *dev, Error **errp);
-    void (*unrealize)(VirtioCcwDevice *dev, Error **errp);
+    void (*unrealize)(VirtioCcwDevice *dev);
     void (*parent_reset)(DeviceState *dev);
 } VirtIOCCWDeviceClass;
 
diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c
index ec53b14f7f..63ff4181de 100644
--- a/hw/scsi/lsi53c895a.c
+++ b/hw/scsi/lsi53c895a.c
@@ -2312,7 +2312,7 @@ static void lsi_scsi_realize(PCIDevice *dev, Error **errp)
     scsi_bus_new(&s->bus, sizeof(s->bus), d, &lsi_scsi_info, NULL);
 }
 
-static void lsi_scsi_unrealize(DeviceState *dev, Error **errp)
+static void lsi_scsi_unrealize(DeviceState *dev)
 {
     LSIState *s = LSI53C895A(dev);
 
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index 1c980cab38..2836f807a0 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -59,11 +59,11 @@ static void scsi_device_realize(SCSIDevice *s, Error **errp)
     }
 }
 
-static void scsi_device_unrealize(SCSIDevice *s, Error **errp)
+static void scsi_device_unrealize(SCSIDevice *s)
 {
     SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s);
     if (sc->unrealize) {
-        sc->unrealize(s, errp);
+        sc->unrealize(s);
     }
 }
 
@@ -222,10 +222,9 @@ static void scsi_qdev_realize(DeviceState *qdev, Error **errp)
             scsi_dma_restart_cb, dev);
 }
 
-static void scsi_qdev_unrealize(DeviceState *qdev, Error **errp)
+static void scsi_qdev_unrealize(DeviceState *qdev)
 {
     SCSIDevice *dev = SCSI_DEVICE(qdev);
-    Error *local_err = NULL;
 
     if (dev->vmsentry) {
         qemu_del_vm_change_state_handler(dev->vmsentry);
@@ -233,11 +232,7 @@ static void scsi_qdev_unrealize(DeviceState *qdev, Error **errp)
 
     scsi_device_purge_requests(dev, SENSE_CODE(NO_SENSE));
 
-    scsi_device_unrealize(dev, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
+    scsi_device_unrealize(dev);
 
     blockdev_mark_auto_del(dev->conf.blk);
 }
@@ -268,7 +263,7 @@ SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockBackend *blk,
     }
     dev = qdev_create(&bus->qbus, driver);
     name = g_strdup_printf("legacy[%d]", unit);
-    object_property_add_child(OBJECT(bus), name, OBJECT(dev), NULL);
+    object_property_add_child(OBJECT(bus), name, OBJECT(dev));
     g_free(name);
 
     qdev_prop_set_uint32(dev, "scsi-id", unit);
@@ -1738,7 +1733,7 @@ static void scsi_dev_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", NULL,
-                                  &s->qdev, NULL);
+                                  &s->qdev);
 }
 
 static const TypeInfo scsi_device_type_info = {
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index e5bcd0baf8..387503e11b 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -2421,7 +2421,7 @@ static void scsi_realize(SCSIDevice *dev, Error **errp)
                          dev->conf.lsecs);
 }
 
-static void scsi_unrealize(SCSIDevice *dev, Error **errp)
+static void scsi_unrealize(SCSIDevice *dev)
 {
     del_boot_device_lchs(&dev->qdev, NULL);
 }
diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c
index f052377b7e..c1b012aea4 100644
--- a/hw/scsi/vhost-scsi.c
+++ b/hw/scsi/vhost-scsi.c
@@ -248,7 +248,7 @@ static void vhost_scsi_realize(DeviceState *dev, Error **errp)
     return;
 }
 
-static void vhost_scsi_unrealize(DeviceState *dev, Error **errp)
+static void vhost_scsi_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VHostSCSICommon *vsc = VHOST_SCSI_COMMON(dev);
@@ -311,7 +311,7 @@ static void vhost_scsi_instance_init(Object *obj)
     vsc->feature_bits = kernel_feature_bits;
 
     device_add_bootindex_property(obj, &vsc->bootindex, "bootindex", NULL,
-                                  DEVICE(vsc), NULL);
+                                  DEVICE(vsc));
 }
 
 static const TypeInfo vhost_scsi_info = {
diff --git a/hw/scsi/vhost-user-scsi.c b/hw/scsi/vhost-user-scsi.c
index a01bf63a08..cbb5d97599 100644
--- a/hw/scsi/vhost-user-scsi.c
+++ b/hw/scsi/vhost-user-scsi.c
@@ -143,7 +143,7 @@ free_virtio:
     virtio_scsi_common_unrealize(dev);
 }
 
-static void vhost_user_scsi_unrealize(DeviceState *dev, Error **errp)
+static void vhost_user_scsi_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VHostUserSCSI *s = VHOST_USER_SCSI(dev);
@@ -217,7 +217,7 @@ static void vhost_user_scsi_instance_init(Object *obj)
 
     /* Add the bootindex property for this object */
     device_add_bootindex_property(obj, &vsc->bootindex, "bootindex", NULL,
-                                  DEVICE(vsc), NULL);
+                                  DEVICE(vsc));
 }
 
 static const TypeInfo vhost_user_scsi_info = {
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 472bbd233b..9b72094a61 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -954,7 +954,7 @@ void virtio_scsi_common_unrealize(DeviceState *dev)
     virtio_cleanup(vdev);
 }
 
-static void virtio_scsi_device_unrealize(DeviceState *dev, Error **errp)
+static void virtio_scsi_device_unrealize(DeviceState *dev)
 {
     VirtIOSCSI *s = VIRTIO_SCSI(dev);
 
diff --git a/hw/sd/sdhci-internal.h b/hw/sd/sdhci-internal.h
index 34141400f8..e7c8a523b5 100644
--- a/hw/sd/sdhci-internal.h
+++ b/hw/sd/sdhci-internal.h
@@ -335,7 +335,7 @@ extern const VMStateDescription sdhci_vmstate;
 void sdhci_initfn(SDHCIState *s);
 void sdhci_uninitfn(SDHCIState *s);
 void sdhci_common_realize(SDHCIState *s, Error **errp);
-void sdhci_common_unrealize(SDHCIState *s, Error **errp);
+void sdhci_common_unrealize(SDHCIState *s);
 void sdhci_common_class_init(ObjectClass *klass, void *data);
 
 #endif
diff --git a/hw/sd/sdhci-pci.c b/hw/sd/sdhci-pci.c
index 19fa8bd8ed..4f5977d487 100644
--- a/hw/sd/sdhci-pci.c
+++ b/hw/sd/sdhci-pci.c
@@ -50,7 +50,7 @@ static void sdhci_pci_exit(PCIDevice *dev)
 {
     SDHCIState *s = PCI_SDHCI(dev);
 
-    sdhci_common_unrealize(s, &error_abort);
+    sdhci_common_unrealize(s);
     sdhci_uninitfn(s);
 }
 
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 70531ad360..1b75d7bab9 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1346,7 +1346,7 @@ void sdhci_common_realize(SDHCIState *s, Error **errp)
                           SDHC_REGISTERS_MAP_SIZE);
 }
 
-void sdhci_common_unrealize(SDHCIState *s, Error **errp)
+void sdhci_common_unrealize(SDHCIState *s)
 {
     /* This function is expected to be called only once for each class:
      * - SysBus:    via DeviceClass->unrealize(),
@@ -1479,11 +1479,11 @@ static void sdhci_sysbus_realize(DeviceState *dev, Error **errp)
     sysbus_init_mmio(sbd, &s->iomem);
 }
 
-static void sdhci_sysbus_unrealize(DeviceState *dev, Error **errp)
+static void sdhci_sysbus_unrealize(DeviceState *dev)
 {
     SDHCIState *s = SYSBUS_SDHCI(dev);
 
-    sdhci_common_unrealize(s, &error_abort);
+    sdhci_common_unrealize(s);
 
      if (s->dma_mr) {
         address_space_destroy(s->dma_as);
diff --git a/hw/sh4/sh_pci.c b/hw/sh4/sh_pci.c
index 08f2fc1dde..0a3e86f949 100644
--- a/hw/sh4/sh_pci.c
+++ b/hw/sh4/sh_pci.c
@@ -129,7 +129,7 @@ static void sh_pci_device_realize(DeviceState *dev, Error **errp)
     for (i = 0; i < 4; i++) {
         sysbus_init_irq(sbd, &s->irq[i]);
     }
-    phb->bus = pci_register_root_bus(DEVICE(dev), "pci",
+    phb->bus = pci_register_root_bus(dev, "pci",
                                      sh_pci_set_irq, sh_pci_map_irq,
                                      s->irq,
                                      get_system_memory(),
diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index 36ee1a0a3d..8dda3f7292 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -795,10 +795,9 @@ static void ram_initfn(Object *obj)
     object_property_add_link(obj, "memdev", TYPE_MEMORY_BACKEND,
                              (Object **)&d->memdev,
                              object_property_allow_set_link,
-                             OBJ_PROP_LINK_STRONG, &error_abort);
+                             OBJ_PROP_LINK_STRONG);
     object_property_set_description(obj, "memdev", "Set RAM backend"
-                                    "Valid value is ID of a hostmem backend",
-                                     &error_abort);
+                                    "Valid value is ID of a hostmem backend");
 }
 
 static void ram_class_init(ObjectClass *klass, void *data)
@@ -1061,7 +1060,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
     qdev_prop_set_uint32(dev, "data_width", 1);
     qdev_prop_set_bit(dev, "dma_enabled", false);
     object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
-                              OBJECT(fw_cfg), NULL);
+                              OBJECT(fw_cfg));
     qdev_init_nofail(dev);
     s = SYS_BUS_DEVICE(dev);
     sysbus_mmio_map(s, 0, CFG_ADDR);
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index 6abfcb30f8..3a757ec42e 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -691,7 +691,7 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
 
     dev = qdev_create(NULL, TYPE_FW_CFG_IO);
     qdev_prop_set_bit(dev, "dma_enabled", false);
-    object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev), NULL);
+    object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev));
     qdev_init_nofail(dev);
     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
                                 &FW_CFG_IO(dev)->comb_iomem);
diff --git a/hw/ssi/xilinx_spips.c b/hw/ssi/xilinx_spips.c
index c57850a505..e76cf290c8 100644
--- a/hw/ssi/xilinx_spips.c
+++ b/hw/ssi/xilinx_spips.c
@@ -868,7 +868,7 @@ static void xlnx_zynqmp_qspips_notify(void *opaque)
 
         memcpy(rq->dma_buf, rxd, num);
 
-        ret = stream_push(rq->dma, rq->dma_buf, num);
+        ret = stream_push(rq->dma, rq->dma_buf, num, false);
         assert(ret == num);
         xlnx_zynqmp_qspips_check_flush(rq);
     }
@@ -1360,8 +1360,7 @@ static void xlnx_zynqmp_qspips_init(Object *obj)
     object_property_add_link(obj, "stream-connected-dma", TYPE_STREAM_SLAVE,
                              (Object **)&rq->dma,
                              object_property_allow_set_link,
-                             OBJ_PROP_LINK_STRONG,
-                             NULL);
+                             OBJ_PROP_LINK_STRONG);
 }
 
 static int xilinx_spips_post_load(void *opaque, int version_id)
diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index c9a390063f..fa07df98a2 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -14,7 +14,7 @@ static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent);
 
 static char *usb_get_dev_path(DeviceState *dev);
 static char *usb_get_fw_dev_path(DeviceState *qdev);
-static void usb_qdev_unrealize(DeviceState *qdev, Error **errp);
+static void usb_qdev_unrealize(DeviceState *qdev);
 
 static Property usb_props[] = {
     DEFINE_PROP_STRING("port", USBDevice, port_path),
@@ -130,12 +130,12 @@ USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr)
     return NULL;
 }
 
-static void usb_device_unrealize(USBDevice *dev, Error **errp)
+static void usb_device_unrealize(USBDevice *dev)
 {
     USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
 
     if (klass->unrealize) {
-        klass->unrealize(dev, errp);
+        klass->unrealize(dev);
     }
 }
 
@@ -265,14 +265,14 @@ static void usb_qdev_realize(DeviceState *qdev, Error **errp)
     if (dev->auto_attach) {
         usb_device_attach(dev, &local_err);
         if (local_err) {
-            usb_qdev_unrealize(qdev, NULL);
+            usb_qdev_unrealize(qdev);
             error_propagate(errp, local_err);
             return;
         }
     }
 }
 
-static void usb_qdev_unrealize(DeviceState *qdev, Error **errp)
+static void usb_qdev_unrealize(DeviceState *qdev)
 {
     USBDevice *dev = USB_DEVICE(qdev);
     USBDescString *s, *next;
@@ -286,7 +286,7 @@ static void usb_qdev_unrealize(DeviceState *qdev, Error **errp)
     if (dev->attached) {
         usb_device_detach(dev);
     }
-    usb_device_unrealize(dev, errp);
+    usb_device_unrealize(dev);
     if (dev->port) {
         usb_release_port(dev);
     }
@@ -753,12 +753,10 @@ static void usb_device_instance_init(Object *obj)
 
     if (klass->attached_settable) {
         object_property_add_bool(obj, "attached",
-                                 usb_get_attached, usb_set_attached,
-                                 NULL);
+                                 usb_get_attached, usb_set_attached);
     } else {
         object_property_add_bool(obj, "attached",
-                                 usb_get_attached, NULL,
-                                 NULL);
+                                 usb_get_attached, NULL);
     }
 }
 
diff --git a/hw/usb/ccid-card-emulated.c b/hw/usb/ccid-card-emulated.c
index 3083124556..7d6105ef34 100644
--- a/hw/usb/ccid-card-emulated.c
+++ b/hw/usb/ccid-card-emulated.c
@@ -562,7 +562,7 @@ out1:
     qemu_mutex_destroy(&card->event_list_mutex);
 }
 
-static void emulated_unrealize(CCIDCardState *base, Error **errp)
+static void emulated_unrealize(CCIDCardState *base)
 {
     EmulatedState *card = EMULATED_CCID_CARD(base);
     VEvent *vevent = vevent_new(VEVENT_LAST, NULL, NULL);
diff --git a/hw/usb/ccid.h b/hw/usb/ccid.h
index bb2fdbfff3..531bf28fb0 100644
--- a/hw/usb/ccid.h
+++ b/hw/usb/ccid.h
@@ -36,7 +36,7 @@ typedef struct CCIDCardClass {
                             const uint8_t *apdu,
                             uint32_t len);
     void (*realize)(CCIDCardState *card, Error **errp);
-    void (*unrealize)(CCIDCardState *card, Error **errp);
+    void (*unrealize)(CCIDCardState *card);
 } CCIDCardClass;
 
 /*
diff --git a/hw/usb/dev-audio.c b/hw/usb/dev-audio.c
index 6fa213fad5..1371c44f48 100644
--- a/hw/usb/dev-audio.c
+++ b/hw/usb/dev-audio.c
@@ -923,7 +923,7 @@ static void usb_audio_handle_data(USBDevice *dev, USBPacket *p)
     }
 }
 
-static void usb_audio_unrealize(USBDevice *dev, Error **errp)
+static void usb_audio_unrealize(USBDevice *dev)
 {
     USBAudioState *s = USB_AUDIO(dev);
 
diff --git a/hw/usb/dev-hid.c b/hw/usb/dev-hid.c
index 67ec8b69ec..89f63b698b 100644
--- a/hw/usb/dev-hid.c
+++ b/hw/usb/dev-hid.c
@@ -699,7 +699,7 @@ static void usb_hid_handle_data(USBDevice *dev, USBPacket *p)
     }
 }
 
-static void usb_hid_unrealize(USBDevice *dev, Error **errp)
+static void usb_hid_unrealize(USBDevice *dev)
 {
     USBHIDState *us = USB_HID(dev);
 
diff --git a/hw/usb/dev-hub.c b/hw/usb/dev-hub.c
index 49a573b346..5f19dd9fb5 100644
--- a/hw/usb/dev-hub.c
+++ b/hw/usb/dev-hub.c
@@ -565,7 +565,7 @@ static void usb_hub_handle_data(USBDevice *dev, USBPacket *p)
     }
 }
 
-static void usb_hub_unrealize(USBDevice *dev, Error **errp)
+static void usb_hub_unrealize(USBDevice *dev)
 {
     USBHubState *s = (USBHubState *)dev;
     int i;
diff --git a/hw/usb/dev-network.c b/hw/usb/dev-network.c
index 6210427544..c69756709b 100644
--- a/hw/usb/dev-network.c
+++ b/hw/usb/dev-network.c
@@ -1326,7 +1326,7 @@ static void usbnet_cleanup(NetClientState *nc)
     s->nic = NULL;
 }
 
-static void usb_net_unrealize(USBDevice *dev, Error **errp)
+static void usb_net_unrealize(USBDevice *dev)
 {
     USBNetState *s = (USBNetState *) dev;
 
@@ -1381,7 +1381,7 @@ static void usb_net_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
-                                  &dev->qdev, NULL);
+                                  &dev->qdev);
 }
 
 static const VMStateDescription vmstate_usb_net = {
diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
index ef72738ced..ada18c1983 100644
--- a/hw/usb/dev-smartcard-reader.c
+++ b/hw/usb/dev-smartcard-reader.c
@@ -1146,7 +1146,7 @@ static void ccid_handle_data(USBDevice *dev, USBPacket *p)
     }
 }
 
-static void ccid_unrealize(USBDevice *dev, Error **errp)
+static void ccid_unrealize(USBDevice *dev)
 {
     USBCCIDState *s = USB_CCID_DEV(dev);
 
@@ -1269,23 +1269,18 @@ void ccid_card_card_inserted(CCIDCardState *card)
     ccid_on_slot_change(s, true);
 }
 
-static void ccid_card_unrealize(DeviceState *qdev, Error **errp)
+static void ccid_card_unrealize(DeviceState *qdev)
 {
     CCIDCardState *card = CCID_CARD(qdev);
     CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
     USBDevice *dev = USB_DEVICE(qdev->parent_bus->parent);
     USBCCIDState *s = USB_CCID_DEV(dev);
-    Error *local_err = NULL;
 
     if (ccid_card_inserted(s)) {
         ccid_card_card_removed(card);
     }
     if (cc->unrealize) {
-        cc->unrealize(card, &local_err);
-        if (local_err != NULL) {
-            error_propagate(errp, local_err);
-            return;
-        }
+        cc->unrealize(card);
     }
     s->card = NULL;
 }
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 5c4b57b06b..4eba47538d 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -753,7 +753,7 @@ static void usb_msd_instance_init(Object *obj)
 {
     object_property_add(obj, "bootindex", "int32",
                         usb_msd_get_bootindex,
-                        usb_msd_set_bootindex, NULL, NULL, NULL);
+                        usb_msd_set_bootindex, NULL, NULL);
     object_property_set_int(obj, -1, "bootindex", NULL);
 }
 
diff --git a/hw/usb/dev-uas.c b/hw/usb/dev-uas.c
index 11a8684cc2..a3a4d41c07 100644
--- a/hw/usb/dev-uas.c
+++ b/hw/usb/dev-uas.c
@@ -894,7 +894,7 @@ static void usb_uas_handle_data(USBDevice *dev, USBPacket *p)
     }
 }
 
-static void usb_uas_unrealize(USBDevice *dev, Error **errp)
+static void usb_uas_unrealize(USBDevice *dev)
 {
     UASDevice *uas = USB_UAS(dev);
 
diff --git a/hw/usb/dev-wacom.c b/hw/usb/dev-wacom.c
index 8ed57b3b44..8aba44b8bc 100644
--- a/hw/usb/dev-wacom.c
+++ b/hw/usb/dev-wacom.c
@@ -331,7 +331,7 @@ static void usb_wacom_handle_data(USBDevice *dev, USBPacket *p)
     }
 }
 
-static void usb_wacom_unrealize(USBDevice *dev, Error **errp)
+static void usb_wacom_unrealize(USBDevice *dev)
 {
     USBWacomState *s = (USBWacomState *) dev;
 
diff --git a/hw/usb/hcd-ehci-pci.c b/hw/usb/hcd-ehci-pci.c
index fc73a054c6..4c37c8e227 100644
--- a/hw/usb/hcd-ehci-pci.c
+++ b/hw/usb/hcd-ehci-pci.c
@@ -105,7 +105,7 @@ static void usb_ehci_pci_exit(PCIDevice *dev)
     EHCIPCIState *i = PCI_EHCI(dev);
     EHCIState *s = &i->ehci;
 
-    usb_ehci_unrealize(s, DEVICE(dev), NULL);
+    usb_ehci_unrealize(s, DEVICE(dev));
 
     g_free(s->irq);
     s->irq = NULL;
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index 29d49c2d7e..1495e8f7fa 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -2522,7 +2522,7 @@ void usb_ehci_realize(EHCIState *s, DeviceState *dev, Error **errp)
     s->vmstate = qemu_add_vm_change_state_handler(usb_ehci_vm_state_change, s);
 }
 
-void usb_ehci_unrealize(EHCIState *s, DeviceState *dev, Error **errp)
+void usb_ehci_unrealize(EHCIState *s, DeviceState *dev)
 {
     trace_usb_ehci_unrealize();
 
diff --git a/hw/usb/hcd-ehci.h b/hw/usb/hcd-ehci.h
index edb59311c4..57b38cfc05 100644
--- a/hw/usb/hcd-ehci.h
+++ b/hw/usb/hcd-ehci.h
@@ -324,7 +324,7 @@ extern const VMStateDescription vmstate_ehci;
 void usb_ehci_init(EHCIState *s, DeviceState *dev);
 void usb_ehci_finalize(EHCIState *s);
 void usb_ehci_realize(EHCIState *s, DeviceState *dev, Error **errp);
-void usb_ehci_unrealize(EHCIState *s, DeviceState *dev, Error **errp);
+void usb_ehci_unrealize(EHCIState *s, DeviceState *dev);
 void ehci_reset(void *opaque);
 
 #define TYPE_PCI_EHCI "pci-ehci-usb"
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index 2ac7a936fb..e28441379d 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -1101,10 +1101,10 @@ static void usb_host_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &s->bootindex,
                                   "bootindex", NULL,
-                                  &udev->qdev, NULL);
+                                  &udev->qdev);
 }
 
-static void usb_host_unrealize(USBDevice *udev, Error **errp)
+static void usb_host_unrealize(USBDevice *udev)
 {
     USBHostDevice *s = USB_HOST_DEVICE(udev);
 
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 45d8b76218..417a60a2e6 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -1468,7 +1468,7 @@ static void usbredir_cleanup_device_queues(USBRedirDevice *dev)
     }
 }
 
-static void usbredir_unrealize(USBDevice *udev, Error **errp)
+static void usbredir_unrealize(USBDevice *udev)
 {
     USBRedirDevice *dev = USB_REDIRECT(udev);
 
@@ -2595,7 +2595,7 @@ static void usbredir_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &dev->bootindex,
                                   "bootindex", NULL,
-                                  &udev->qdev, NULL);
+                                  &udev->qdev);
 }
 
 static const TypeInfo usbredir_dev_info = {
diff --git a/hw/vfio/ap.c b/hw/vfio/ap.c
index 8649ac15f9..95564c17ed 100644
--- a/hw/vfio/ap.c
+++ b/hw/vfio/ap.c
@@ -124,7 +124,7 @@ out_get_dev_err:
     vfio_put_group(vfio_group);
 }
 
-static void vfio_ap_unrealize(DeviceState *dev, Error **errp)
+static void vfio_ap_unrealize(DeviceState *dev)
 {
     APDevice *apdev = AP_DEVICE(dev);
     VFIOAPDevice *vapdev = VFIO_AP_DEVICE(apdev);
diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c
index 50cc2ec75c..c8624943c1 100644
--- a/hw/vfio/ccw.c
+++ b/hw/vfio/ccw.c
@@ -521,13 +521,13 @@ out_device_err:
     vfio_put_group(group);
 out_group_err:
     if (cdc->unrealize) {
-        cdc->unrealize(cdev, NULL);
+        cdc->unrealize(cdev);
     }
 out_err_propagate:
     error_propagate(errp, err);
 }
 
-static void vfio_ccw_unrealize(DeviceState *dev, Error **errp)
+static void vfio_ccw_unrealize(DeviceState *dev)
 {
     CcwDevice *ccw_dev = DO_UPCAST(CcwDevice, parent_obj, dev);
     S390CCWDevice *cdev = DO_UPCAST(S390CCWDevice, parent_obj, ccw_dev);
@@ -541,7 +541,7 @@ static void vfio_ccw_unrealize(DeviceState *dev, Error **errp)
     vfio_put_group(group);
 
     if (cdc->unrealize) {
-        cdc->unrealize(cdev, errp);
+        cdc->unrealize(cdev);
     }
 }
 
diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c
index 2d348f8237..3bd05fed12 100644
--- a/hw/vfio/pci-quirks.c
+++ b/hw/vfio/pci-quirks.c
@@ -1634,7 +1634,7 @@ int vfio_pci_nvidia_v100_ram_init(VFIOPCIDevice *vdev, Error **errp)
 
     object_property_add(OBJECT(vdev), "nvlink2-tgt", "uint64",
                         vfio_pci_nvlink2_get_tgt, NULL, NULL,
-                        (void *) (uintptr_t) cap->tgt, NULL);
+                        (void *) (uintptr_t) cap->tgt);
     trace_vfio_pci_nvidia_gpu_setup_quirk(vdev->vbasedev.name, cap->tgt,
                                           nv2reg->size);
 free_exit:
@@ -1695,13 +1695,13 @@ int vfio_pci_nvlink2_init(VFIOPCIDevice *vdev, Error **errp)
 
     object_property_add(OBJECT(vdev), "nvlink2-tgt", "uint64",
                         vfio_pci_nvlink2_get_tgt, NULL, NULL,
-                        (void *) (uintptr_t) captgt->tgt, NULL);
+                        (void *) (uintptr_t) captgt->tgt);
     trace_vfio_pci_nvlink2_setup_quirk_ssatgt(vdev->vbasedev.name, captgt->tgt,
                                               atsdreg->size);
 
     object_property_add(OBJECT(vdev), "nvlink2-link-speed", "uint32",
                         vfio_pci_nvlink2_get_link_speed, NULL, NULL,
-                        (void *) (uintptr_t) capspeed->link_speed, NULL);
+                        (void *) (uintptr_t) capspeed->link_speed);
     trace_vfio_pci_nvlink2_setup_quirk_lnkspd(vdev->vbasedev.name,
                                               capspeed->link_speed);
 free_exit:
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 5e75a95129..342dd6b912 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3133,7 +3133,7 @@ static void vfio_instance_init(Object *obj)
 
     device_add_bootindex_property(obj, &vdev->bootindex,
                                   "bootindex", NULL,
-                                  &pci_dev->qdev, NULL);
+                                  &pci_dev->qdev);
     vdev->host.domain = ~0U;
     vdev->host.bus = ~0U;
     vdev->host.slot = ~0U;
diff --git a/hw/virtio/vhost-scsi-pci.c b/hw/virtio/vhost-scsi-pci.c
index 5dce640eaf..5da6bb6449 100644
--- a/hw/virtio/vhost-scsi-pci.c
+++ b/hw/virtio/vhost-scsi-pci.c
@@ -78,7 +78,7 @@ static void vhost_scsi_pci_instance_init(Object *obj)
     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
                                 TYPE_VHOST_SCSI);
     object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
-                              "bootindex", &error_abort);
+                              "bootindex");
 }
 
 static const VirtioPCIDeviceTypeInfo vhost_scsi_pci_info = {
diff --git a/hw/virtio/vhost-user-blk-pci.c b/hw/virtio/vhost-user-blk-pci.c
index 8d3d766427..58d7c31735 100644
--- a/hw/virtio/vhost-user-blk-pci.c
+++ b/hw/virtio/vhost-user-blk-pci.c
@@ -84,7 +84,7 @@ static void vhost_user_blk_pci_instance_init(Object *obj)
     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
                                 TYPE_VHOST_USER_BLK);
     object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
-                              "bootindex", &error_abort);
+                              "bootindex");
 }
 
 static const VirtioPCIDeviceTypeInfo vhost_user_blk_pci_info = {
diff --git a/hw/virtio/vhost-user-fs.c b/hw/virtio/vhost-user-fs.c
index 6136768875..1bc5d03a00 100644
--- a/hw/virtio/vhost-user-fs.c
+++ b/hw/virtio/vhost-user-fs.c
@@ -241,7 +241,7 @@ err_virtio:
     return;
 }
 
-static void vuf_device_unrealize(DeviceState *dev, Error **errp)
+static void vuf_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VHostUserFS *fs = VHOST_USER_FS(dev);
diff --git a/hw/virtio/vhost-user-input-pci.c b/hw/virtio/vhost-user-input-pci.c
index ae9cff9aed..0a50015599 100644
--- a/hw/virtio/vhost-user-input-pci.c
+++ b/hw/virtio/vhost-user-input-pci.c
@@ -31,8 +31,7 @@ static void vhost_user_input_pci_instance_init(Object *obj)
                                 TYPE_VHOST_USER_INPUT);
 
     object_property_add_alias(obj, "chardev",
-                              OBJECT(&dev->vhi), "chardev",
-                              &error_abort);
+                              OBJECT(&dev->vhi), "chardev");
 }
 
 static const VirtioPCIDeviceTypeInfo vhost_user_input_pci_info = {
diff --git a/hw/virtio/vhost-user-scsi-pci.c b/hw/virtio/vhost-user-scsi-pci.c
index 32febb2daa..6f3375fe55 100644
--- a/hw/virtio/vhost-user-scsi-pci.c
+++ b/hw/virtio/vhost-user-scsi-pci.c
@@ -84,7 +84,7 @@ static void vhost_user_scsi_pci_instance_init(Object *obj)
     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
                                 TYPE_VHOST_USER_SCSI);
     object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
-                              "bootindex", &error_abort);
+                              "bootindex");
 }
 
 static const VirtioPCIDeviceTypeInfo vhost_user_scsi_pci_info = {
diff --git a/hw/virtio/vhost-vsock.c b/hw/virtio/vhost-vsock.c
index 09b6b07f94..4a228f5168 100644
--- a/hw/virtio/vhost-vsock.c
+++ b/hw/virtio/vhost-vsock.c
@@ -377,7 +377,7 @@ err_virtio:
     return;
 }
 
-static void vhost_vsock_device_unrealize(DeviceState *dev, Error **errp)
+static void vhost_vsock_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VHostVSock *vsock = VHOST_VSOCK(dev);
diff --git a/hw/virtio/virtio-balloon-pci.c b/hw/virtio/virtio-balloon-pci.c
index 56962aeb43..cc25df0a3d 100644
--- a/hw/virtio/virtio-balloon-pci.c
+++ b/hw/virtio/virtio-balloon-pci.c
@@ -73,10 +73,10 @@ static void virtio_balloon_pci_instance_init(Object *obj)
     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
                                 TYPE_VIRTIO_BALLOON);
     object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev),
-                                  "guest-stats", &error_abort);
+                                  "guest-stats");
     object_property_add_alias(obj, "guest-stats-polling-interval",
                               OBJECT(&dev->vdev),
-                              "guest-stats-polling-interval", &error_abort);
+                              "guest-stats-polling-interval");
 }
 
 static const VirtioPCIDeviceTypeInfo virtio_balloon_pci_info = {
diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index a4729f7fc9..065cd450f1 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -819,7 +819,7 @@ static void virtio_balloon_device_realize(DeviceState *dev, Error **errp)
     reset_stats(s);
 }
 
-static void virtio_balloon_device_unrealize(DeviceState *dev, Error **errp)
+static void virtio_balloon_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIOBalloon *s = VIRTIO_BALLOON(dev);
@@ -893,12 +893,12 @@ static void virtio_balloon_instance_init(Object *obj)
     VirtIOBalloon *s = VIRTIO_BALLOON(obj);
 
     object_property_add(obj, "guest-stats", "guest statistics",
-                        balloon_stats_get_all, NULL, NULL, s, NULL);
+                        balloon_stats_get_all, NULL, NULL, s);
 
     object_property_add(obj, "guest-stats-polling-interval", "int",
                         balloon_stats_get_poll_interval,
                         balloon_stats_set_poll_interval,
-                        NULL, s, NULL);
+                        NULL, s);
 }
 
 static const VMStateDescription vmstate_virtio_balloon = {
diff --git a/hw/virtio/virtio-blk-pci.c b/hw/virtio/virtio-blk-pci.c
index efb2c22a1d..28838fa958 100644
--- a/hw/virtio/virtio-blk-pci.c
+++ b/hw/virtio/virtio-blk-pci.c
@@ -81,7 +81,7 @@ static void virtio_blk_pci_instance_init(Object *obj)
     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
                                 TYPE_VIRTIO_BLK);
     object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
-                              "bootindex", &error_abort);
+                              "bootindex");
 }
 
 static const VirtioPCIDeviceTypeInfo virtio_blk_pci_info = {
diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c
index 4c65114de5..bd9165c565 100644
--- a/hw/virtio/virtio-crypto.c
+++ b/hw/virtio/virtio-crypto.c
@@ -822,7 +822,7 @@ static void virtio_crypto_device_realize(DeviceState *dev, Error **errp)
     cryptodev_backend_set_used(vcrypto->cryptodev, true);
 }
 
-static void virtio_crypto_device_unrealize(DeviceState *dev, Error **errp)
+static void virtio_crypto_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIOCrypto *vcrypto = VIRTIO_CRYPTO(dev);
diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c
index 22ba8848c2..483883ec1d 100644
--- a/hw/virtio/virtio-iommu.c
+++ b/hw/virtio/virtio-iommu.c
@@ -688,7 +688,7 @@ static void virtio_iommu_device_realize(DeviceState *dev, Error **errp)
     }
 }
 
-static void virtio_iommu_device_unrealize(DeviceState *dev, Error **errp)
+static void virtio_iommu_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIOIOMMU *s = VIRTIO_IOMMU(dev);
diff --git a/hw/virtio/virtio-net-pci.c b/hw/virtio/virtio-net-pci.c
index 5ca71d4c34..ea43040f7b 100644
--- a/hw/virtio/virtio-net-pci.c
+++ b/hw/virtio/virtio-net-pci.c
@@ -79,7 +79,7 @@ static void virtio_net_pci_instance_init(Object *obj)
     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
                                 TYPE_VIRTIO_NET);
     object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
-                              "bootindex", &error_abort);
+                              "bootindex");
 }
 
 static const VirtioPCIDeviceTypeInfo virtio_net_pci_info = {
diff --git a/hw/virtio/virtio-pmem.c b/hw/virtio/virtio-pmem.c
index 43399522f5..c3374b2f3f 100644
--- a/hw/virtio/virtio-pmem.c
+++ b/hw/virtio/virtio-pmem.c
@@ -124,7 +124,7 @@ static void virtio_pmem_realize(DeviceState *dev, Error **errp)
     pmem->rq_vq = virtio_add_queue(vdev, 128, virtio_pmem_flush);
 }
 
-static void virtio_pmem_unrealize(DeviceState *dev, Error **errp)
+static void virtio_pmem_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIOPMEM *pmem = VIRTIO_PMEM(dev);
diff --git a/hw/virtio/virtio-rng.c b/hw/virtio/virtio-rng.c
index 1e363ad07b..a8df41b11b 100644
--- a/hw/virtio/virtio-rng.c
+++ b/hw/virtio/virtio-rng.c
@@ -203,7 +203,7 @@ static void virtio_rng_device_realize(DeviceState *dev, Error **errp)
         }
 
         object_property_add_child(OBJECT(dev), "default-backend",
-                                  default_backend, &error_abort);
+                                  default_backend);
 
         /* The child property took a reference, we can safely drop ours now */
         object_unref(default_backend);
@@ -230,7 +230,7 @@ static void virtio_rng_device_realize(DeviceState *dev, Error **errp)
                                                      vrng);
 }
 
-static void virtio_rng_device_unrealize(DeviceState *dev, Error **errp)
+static void virtio_rng_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIORNG *vrng = VIRTIO_RNG(dev);
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index b6c8ef5bc0..850fcce5e7 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -3622,7 +3622,7 @@ static void virtio_device_realize(DeviceState *dev, Error **errp)
     virtio_bus_device_plugged(vdev, &err);
     if (err != NULL) {
         error_propagate(errp, err);
-        vdc->unrealize(dev, NULL);
+        vdc->unrealize(dev);
         return;
     }
 
@@ -3630,20 +3630,15 @@ static void virtio_device_realize(DeviceState *dev, Error **errp)
     memory_listener_register(&vdev->listener, vdev->dma_as);
 }
 
-static void virtio_device_unrealize(DeviceState *dev, Error **errp)
+static void virtio_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(dev);
-    Error *err = NULL;
 
     virtio_bus_device_unplugged(vdev);
 
     if (vdc->unrealize != NULL) {
-        vdc->unrealize(dev, &err);
-        if (err != NULL) {
-            error_propagate(errp, err);
-            return;
-        }
+        vdc->unrealize(dev);
     }
 
     g_free(vdev->bus_name);
diff --git a/hw/watchdog/wdt_diag288.c b/hw/watchdog/wdt_diag288.c
index 5b6eb2b09f..71a945f0bd 100644
--- a/hw/watchdog/wdt_diag288.c
+++ b/hw/watchdog/wdt_diag288.c
@@ -108,7 +108,7 @@ static void wdt_diag288_realize(DeviceState *dev, Error **errp)
                                   dev);
 }
 
-static void wdt_diag288_unrealize(DeviceState *dev, Error **errp)
+static void wdt_diag288_unrealize(DeviceState *dev)
 {
     DIAG288State *diag288 = DIAG288(dev);
 
diff --git a/hw/xen/xen-bus.c b/hw/xen/xen-bus.c
index 18237b34ea..32dd4461be 100644
--- a/hw/xen/xen-bus.c
+++ b/hw/xen/xen-bus.c
@@ -428,7 +428,7 @@ static void xen_bus_backend_changed(void *opaque)
     xen_bus_cleanup(xenbus);
 }
 
-static void xen_bus_unrealize(BusState *bus, Error **errp)
+static void xen_bus_unrealize(BusState *bus)
 {
     XenBus *xenbus = XEN_BUS(bus);
 
@@ -486,7 +486,7 @@ static void xen_bus_realize(BusState *bus, Error **errp)
     return;
 
 fail:
-    xen_bus_unrealize(bus, &error_abort);
+    xen_bus_unrealize(bus);
 }
 
 static void xen_bus_unplug_request(HotplugHandler *hotplug,
@@ -1189,7 +1189,7 @@ void xen_device_unbind_event_channel(XenDevice *xendev,
     g_free(channel);
 }
 
-static void xen_device_unrealize(DeviceState *dev, Error **errp)
+static void xen_device_unrealize(DeviceState *dev)
 {
     XenDevice *xendev = XEN_DEVICE(dev);
     XenDeviceClass *xendev_class = XEN_DEVICE_GET_CLASS(xendev);
@@ -1208,7 +1208,7 @@ static void xen_device_unrealize(DeviceState *dev, Error **errp)
     }
 
     if (xendev_class->unrealize) {
-        xendev_class->unrealize(xendev, errp);
+        xendev_class->unrealize(xendev);
     }
 
     /* Make sure all event channels are cleaned up */
@@ -1242,7 +1242,7 @@ static void xen_device_exit(Notifier *n, void *data)
 {
     XenDevice *xendev = container_of(n, XenDevice, exit);
 
-    xen_device_unrealize(DEVICE(xendev), &error_abort);
+    xen_device_unrealize(DEVICE(xendev));
 }
 
 static void xen_device_realize(DeviceState *dev, Error **errp)
@@ -1336,7 +1336,7 @@ static void xen_device_realize(DeviceState *dev, Error **errp)
     return;
 
 unrealize:
-    xen_device_unrealize(dev, &error_abort);
+    xen_device_unrealize(dev);
 }
 
 static Property xen_device_props[] = {
diff --git a/hw/xen/xen-common.c b/hw/xen/xen-common.c
index a15070f7f6..70564cc952 100644
--- a/hw/xen/xen-common.c
+++ b/hw/xen/xen-common.c
@@ -198,10 +198,9 @@ static void xen_accel_class_init(ObjectClass *oc, void *data)
     compat_props_add(ac->compat_props, compat, G_N_ELEMENTS(compat));
 
     object_class_property_add_bool(oc, "igd-passthru",
-        xen_get_igd_gfx_passthru, xen_set_igd_gfx_passthru,
-        &error_abort);
+        xen_get_igd_gfx_passthru, xen_set_igd_gfx_passthru);
     object_class_property_set_description(oc, "igd-passthru",
-        "Set on/off to enable/disable igd passthrou", &error_abort);
+        "Set on/off to enable/disable igd passthrou");
 }
 
 #define TYPE_XEN_ACCEL ACCEL_CLASS_NAME("xen")
diff --git a/hw/xen/xen-legacy-backend.c b/hw/xen/xen-legacy-backend.c
index 4a373b2373..f9d013811a 100644
--- a/hw/xen/xen-legacy-backend.c
+++ b/hw/xen/xen-legacy-backend.c
@@ -705,7 +705,7 @@ int xen_be_init(void)
 
     xen_sysdev = qdev_create(NULL, TYPE_XENSYSDEV);
     qdev_init_nofail(xen_sysdev);
-    xen_sysbus = qbus_create(TYPE_XENSYSBUS, DEVICE(xen_sysdev), "xen-sysbus");
+    xen_sysbus = qbus_create(TYPE_XENSYSBUS, xen_sysdev, "xen-sysbus");
     qbus_set_bus_hotplug_handler(xen_sysbus, &error_abort);
 
     return 0;