summaryrefslogtreecommitdiffstats
path: root/src/vnet/devices/virtio/vhost_user_input.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vnet/devices/virtio/vhost_user_input.c')
-rw-r--r--src/vnet/devices/virtio/vhost_user_input.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vnet/devices/virtio/vhost_user_input.c b/src/vnet/devices/virtio/vhost_user_input.c
index 1a7a0c47150..26140484d2e 100644
--- a/src/vnet/devices/virtio/vhost_user_input.c
+++ b/src/vnet/devices/virtio/vhost_user_input.c
@@ -259,6 +259,10 @@ vhost_user_if_input (vlib_main_t * vm,
u16 thread_index = vm->thread_index;
u16 copy_len = 0;
+ /* The descriptor table is not ready yet */
+ if (PREDICT_FALSE (txvq->avail == 0))
+ return 0;
+
{
/* do we have pending interrupts ? */
vhost_user_vring_t *rxvq = &vui->vrings[VHOST_VRING_IDX_RX (qid)];