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qdev: Use NULL instead of local_err for qbus_child unrealize

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Forcefully unrealize all children regardless of errors in earlier
iterations (if any). We should keep going with cleanup operation
rather than report an error immediately. Therefore store the first
child unrealization failure and propagate it at the end. We also
forcefully unregister vmsd and unrealize actual object, too.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Gonglei 2014-09-04 10:18:25 +08:00 committed by Andreas Färber
parent d578029e71
commit cd4520adca
1 changed files with 7 additions and 7 deletions
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14
hw/core/qdev.c
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@ -871,18 +871,18 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
}
dev->pending_deleted_event = false;
} else if (!value && dev->realized) {
Error **local_errp = NULL;
QLIST_FOREACH(bus, &dev->child_bus, sibling) {
local_errp = local_err ? NULL : &local_err;
object_property_set_bool(OBJECT(bus), false, "realized",
&local_err);
if (local_err != NULL) {
break;
}
local_errp);
}
if (qdev_get_vmsd(dev) && local_err == NULL) {
if (qdev_get_vmsd(dev)) {
vmstate_unregister(dev, qdev_get_vmsd(dev), dev);
}
if (dc->unrealize && local_err == NULL) {
dc->unrealize(dev, &local_err);
if (dc->unrealize) {
local_errp = local_err ? NULL : &local_err;
dc->unrealize(dev, local_errp);
}
dev->pending_deleted_event = true;
}