Device unplug can be done asynchronously. Thus, sending the second
device_del before the previous unplug is complete may lead to
unexpected results. On PCIe devices, this cancels the hot-unplug
process.
Signed-off-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <
20200220165556.39388-1-jusual@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
{
DeviceState *dev = find_device_state(id, errp);
if (dev != NULL) {
+ if (dev->pending_deleted_event) {
+ error_setg(errp, "Device %s is already in the "
+ "process of unplug", id);
+ return;
+ }
+
qdev_unplug(dev, errp);
}
}