Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2020-07-07-v2' into staging

Error reporting patches patches for 2020-07-07

# gpg: Signature made Fri 10 Jul 2020 14:24:42 BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2020-07-07-v2: (53 commits)
  xen: Use ERRP_GUARD()
  nbd: Use ERRP_GUARD()
  virtio-9p: Use ERRP_GUARD()
  fw_cfg: Use ERRP_GUARD()
  pflash: Use ERRP_GUARD()
  sd: Use ERRP_GUARD()
  scripts: Coccinelle script to use ERRP_GUARD()
  error: New macro ERRP_GUARD()
  hmp: Ignore Error objects where the return value suffices
  qdev: Ignore Error objects where the return value suffices
  qemu-img: Ignore Error objects where the return value suffices
  error: Avoid error_propagate() after migrate_add_blocker()
  qapi: Purge error_propagate() from QAPI core
  qapi: Smooth visitor error checking in generated code
  qapi: Smooth another visitor error checking pattern
  block/parallels: Simplify parallels_open() after previous commit
  error: Reduce unnecessary error propagation
  error: Eliminate error_propagate() manually
  error: Eliminate error_propagate() with Coccinelle, part 2
  error: Eliminate error_propagate() with Coccinelle, part 1
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 16 insertions, 25 deletions

diff --git a/hw/mips/cps.c b/hw/mips/cps.c
index 0d7f3cf673..615e1a1ad2 100644
--- a/hw/mips/cps.c
+++ b/hw/mips/cps.c
@@ -71,7 +71,6 @@ static void mips_cps_realize(DeviceState *dev, Error **errp)
     CPUMIPSState *env;
     MIPSCPU *cpu;
     int i;
-    Error *err = NULL;
     target_ulong gcr_base;
     bool itu_present = false;
     bool saar_present = false;
@@ -100,18 +99,16 @@ static void mips_cps_realize(DeviceState *dev, Error **errp)
     /* Inter-Thread Communication Unit */
     if (itu_present) {
         object_initialize_child(OBJECT(dev), "itu", &s->itu, TYPE_MIPS_ITU);
-        object_property_set_int(OBJECT(&s->itu), 16, "num-fifo",
+        object_property_set_int(OBJECT(&s->itu), "num-fifo", 16,
                                 &error_abort);
-        object_property_set_int(OBJECT(&s->itu), 16, "num-semaphores",
+        object_property_set_int(OBJECT(&s->itu), "num-semaphores", 16,
                                 &error_abort);
-        object_property_set_bool(OBJECT(&s->itu), saar_present, "saar-present",
+        object_property_set_bool(OBJECT(&s->itu), "saar-present", saar_present,
                                  &error_abort);
         if (saar_present) {
             s->itu.saar = &env->CP0_SAAR;
         }
-        sysbus_realize(SYS_BUS_DEVICE(&s->itu), &err);
-        if (err != NULL) {
-            error_propagate(errp, err);
+        if (!sysbus_realize(SYS_BUS_DEVICE(&s->itu), errp)) {
             return;
         }
 
@@ -121,13 +118,11 @@ static void mips_cps_realize(DeviceState *dev, Error **errp)
 
     /* Cluster Power Controller */
     object_initialize_child(OBJECT(dev), "cpc", &s->cpc, TYPE_MIPS_CPC);
-    object_property_set_int(OBJECT(&s->cpc), s->num_vp, "num-vp",
+    object_property_set_int(OBJECT(&s->cpc), "num-vp", s->num_vp,
                             &error_abort);
-    object_property_set_int(OBJECT(&s->cpc), 1, "vp-start-running",
+    object_property_set_int(OBJECT(&s->cpc), "vp-start-running", 1,
                             &error_abort);
-    sysbus_realize(SYS_BUS_DEVICE(&s->cpc), &err);
-    if (err != NULL) {
-        error_propagate(errp, err);
+    if (!sysbus_realize(SYS_BUS_DEVICE(&s->cpc), errp)) {
         return;
     }
 
@@ -136,13 +131,11 @@ static void mips_cps_realize(DeviceState *dev, Error **errp)
 
     /* Global Interrupt Controller */
     object_initialize_child(OBJECT(dev), "gic", &s->gic, TYPE_MIPS_GIC);
-    object_property_set_int(OBJECT(&s->gic), s->num_vp, "num-vp",
+    object_property_set_int(OBJECT(&s->gic), "num-vp", s->num_vp,
                             &error_abort);
-    object_property_set_int(OBJECT(&s->gic), 128, "num-irq",
+    object_property_set_int(OBJECT(&s->gic), "num-irq", 128,
                             &error_abort);
-    sysbus_realize(SYS_BUS_DEVICE(&s->gic), &err);
-    if (err != NULL) {
-        error_propagate(errp, err);
+    if (!sysbus_realize(SYS_BUS_DEVICE(&s->gic), errp)) {
         return;
     }
 
@@ -153,19 +146,17 @@ static void mips_cps_realize(DeviceState *dev, Error **errp)
     gcr_base = env->CP0_CMGCRBase << 4;
 
     object_initialize_child(OBJECT(dev), "gcr", &s->gcr, TYPE_MIPS_GCR);
-    object_property_set_int(OBJECT(&s->gcr), s->num_vp, "num-vp",
+    object_property_set_int(OBJECT(&s->gcr), "num-vp", s->num_vp,
                             &error_abort);
-    object_property_set_int(OBJECT(&s->gcr), 0x800, "gcr-rev",
+    object_property_set_int(OBJECT(&s->gcr), "gcr-rev", 0x800,
                             &error_abort);
-    object_property_set_int(OBJECT(&s->gcr), gcr_base, "gcr-base",
+    object_property_set_int(OBJECT(&s->gcr), "gcr-base", gcr_base,
                             &error_abort);
-    object_property_set_link(OBJECT(&s->gcr), OBJECT(&s->gic.mr), "gic",
+    object_property_set_link(OBJECT(&s->gcr), "gic", OBJECT(&s->gic.mr),
                              &error_abort);
-    object_property_set_link(OBJECT(&s->gcr), OBJECT(&s->cpc.mr), "cpc",
+    object_property_set_link(OBJECT(&s->gcr), "cpc", OBJECT(&s->cpc.mr),
                              &error_abort);
-    sysbus_realize(SYS_BUS_DEVICE(&s->gcr), &err);
-    if (err != NULL) {
-        error_propagate(errp, err);
+    if (!sysbus_realize(SYS_BUS_DEVICE(&s->gcr), errp)) {
         return;
     }