This can happen if a port gets unplugged before guest has chance to
initialise vqs.
Reported-by: Juan Quintela <quint...@redhat.com>
Signed-off-by: Amit Shah <amit.s...@redhat.com>
---
hw/virtio-serial-bus.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c
index 09e22aa..e05ab5e 100644
--- a/hw/virtio-serial-bus.c
+++ b/hw/virtio-serial-bus.c
@@ -117,6 +117,9 @@ static void discard_vq_data(VirtQueue *vq, VirtIODevice
*vdev)
{
VirtQueueElement elem;
+ if (!virtio_queue_ready(vq)) {
+ return;
+ }
while (virtqueue_pop(vq, &elem)) {
virtqueue_push(vq, &elem, 0);
}
--
1.7.3.5
