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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/isa-bus.c
parent24e6f3551f3c8ea7cc7524a3e64e84beca59618f (diff)
downloadqemu-81a322d4a1b68d47908a6630bf22897a289722aa.tar.gz
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/isa-bus.c')
-rw-r--r--hw/isa-bus.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/isa-bus.c b/hw/isa-bus.c
index ebcc081e97..85ba354940 100644
--- a/hw/isa-bus.c
+++ b/hw/isa-bus.c
@@ -104,14 +104,15 @@ void isa_init_irq(ISADevice *dev, qemu_irq *p)
dev->nirqs++;
}
-static void isa_qdev_init(DeviceState *qdev, DeviceInfo *base)
+static int isa_qdev_init(DeviceState *qdev, DeviceInfo *base)
{
ISADevice *dev = DO_UPCAST(ISADevice, qdev, qdev);
ISADeviceInfo *info = DO_UPCAST(ISADeviceInfo, qdev, base);
dev->isairq[0] = -1;
dev->isairq[1] = -1;
- info->init(dev);
+
+ return info->init(dev);
}
void isa_qdev_register(ISADeviceInfo *info)
@@ -156,9 +157,10 @@ static void isabus_dev_print(Monitor *mon, DeviceState *dev, int indent)
}
}
-static void isabus_bridge_init(SysBusDevice *dev)
+static int isabus_bridge_init(SysBusDevice *dev)
{
/* nothing */
+ return 0;
}
static SysBusDeviceInfo isabus_bridge_info = {