vhost-user: fix missing speculative enqueue unwind

[vpp.git] / src / vnet / devices / virtio / vhost-user.c

diff --git a/src/vnet/devices/virtio/vhost-user.c b/src/vnet/devices/virtio/vhost-user.c
index ac14286..9b8c188 100644 (file)
--- a/src/vnet/devices/virtio/vhost-user.c
+++ b/src/vnet/devices/virtio/vhost-user.c
@@ -1677,6 +1677,10 @@ vhost_user_if_input (vlib_main_t * vm,
                  if (PREDICT_FALSE
                      (vum->cpus[cpu_index].rx_buffers_len == 0))
                    {
+                     /* Cancel speculation */
+                     to_next--;
+                     n_left_to_next++;
+
                      /*
                       * Checking if there are some left buffers.
                       * If not, just rewind the used buffers and stop.