From: Paolo Bonzini <pbonz...@redhat.com>
If the vring has not been set up, there is nothing in the virtqueue.
virtio_queue_host_notifier_aio_poll calls virtio_queue_empty even in
this case; we have to filter it out just like virtio_queue_notify_aio_vq.
Reported-by: Gerd Hoffmann <kra...@redhat.com>
Tested-by: Alex Williamson <alex.william...@redhat.com>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
Tested-by: Laszlo Ersek <ler...@redhat.com>
Tested-by: Cornelia Huck <cornelia.h...@de.ibm.com>
---
hw/virtio/virtio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 23483c7..e487e36 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -2291,7 +2291,7 @@ static bool virtio_queue_host_notifier_aio_poll(void
*opaque)
VirtQueue *vq = container_of(n, VirtQueue, host_notifier);
bool progress;
- if (virtio_queue_empty(vq)) {
+ if (!vq->vring.desc || virtio_queue_empty(vq)) {
return false;
}
--
MST
