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-rw-r--r--src/vnet/devices/virtio/virtio.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/vnet/devices/virtio/virtio.c b/src/vnet/devices/virtio/virtio.c
index 2d1edfecb67..bbca81c2d02 100644
--- a/src/vnet/devices/virtio/virtio.c
+++ b/src/vnet/devices/virtio/virtio.c
@@ -295,6 +295,13 @@ virtio_vring_set_tx_queues (vlib_main_t *vm, virtio_if_t *vif)
vnm, vif->hw_if_index, TX_QUEUE_ACCESS (vring->queue_id));
}
+ if (vif->num_txqs == 0)
+ {
+ virtio_log_error (vif, "Interface %U has 0 txq",
+ format_vnet_hw_if_index_name, vnm, vif->hw_if_index);
+ return;
+ }
+
for (u32 j = 0; j < vlib_get_n_threads (); j++)
{
u32 qi = vif->txq_vrings[j % vif->num_txqs].queue_index;