virtio-rng: disable timer on device removal

Disable the rate-limit timer on device remove (e.g. hot-unplug).

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/hw/virtio-rng.c b/hw/virtio-rng.c
index cf5a8ff77eb533b3cd07ebf1ffa92363da0b3117..c8a6da7fbb3a41e91e94e84f7da1c9654b0fb1ec 100644 (file)
--- a/hw/virtio-rng.c
+++ b/hw/virtio-rng.c
@@ -194,6 +194,8 @@ void virtio_rng_exit(VirtIODevice *vdev)
 {
     VirtIORNG *vrng = DO_UPCAST(VirtIORNG, vdev, vdev);
 
+    qemu_del_timer(vrng->rate_limit_timer);
+    qemu_free_timer(vrng->rate_limit_timer);
     unregister_savevm(vrng->qdev, "virtio-rng", vrng);
     virtio_cleanup(vdev);
 }