summary refs log tree commit diff stats
path: root/hw/xilinx_intc.c
diff options
context:
space:
mode:
authorGerd Hoffmann <kraxel@redhat.com>2009-08-14 10:36:05 +0200
committerAnthony Liguori <aliguori@us.ibm.com>2009-08-27 20:43:28 -0500
commit81a322d4a1b68d47908a6630bf22897a289722aa (patch)
treecdca9840d0620d9e0b46d7b81c58abe04a372b78 /hw/xilinx_intc.c
parent24e6f3551f3c8ea7cc7524a3e64e84beca59618f (diff)
downloadfocaccia-qemu-81a322d4a1b68d47908a6630bf22897a289722aa.tar.gz
focaccia-qemu-81a322d4a1b68d47908a6630bf22897a289722aa.zip
qdev: add return value to init() callbacks.
Sorry folks, but it has to be.  One more of these invasive qdev patches.

We have a serious design bug in the qdev interface:  device init
callbacks can't signal failure because the init() callback has no
return value.  This patch fixes it.

We have already one case in-tree where this is needed:
Try -device virtio-blk-pci (without drive= specified) and watch qemu
segfault.  This patch fixes it.

With usb+scsi being converted to qdev we'll get more devices where the
init callback can fail for various reasons.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/xilinx_intc.c')
-rw-r--r--hw/xilinx_intc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/xilinx_intc.c b/hw/xilinx_intc.c
index 2ecf962ccd..8ef6474fba 100644
--- a/hw/xilinx_intc.c
+++ b/hw/xilinx_intc.c
@@ -145,7 +145,7 @@ static void irq_handler(void *opaque, int irq, int level)
     update_irq(p);
 }
 
-static void xilinx_intc_init(SysBusDevice *dev)
+static int xilinx_intc_init(SysBusDevice *dev)
 {
     struct xlx_pic *p = FROM_SYSBUS(typeof (*p), dev);
     int pic_regs;
@@ -155,6 +155,7 @@ static void xilinx_intc_init(SysBusDevice *dev)
 
     pic_regs = cpu_register_io_memory(pic_read, pic_write, p);
     sysbus_init_mmio(dev, R_MAX * 4, pic_regs);
+    return 0;
 }
 
 static SysBusDeviceInfo xilinx_intc_info = {