memif: fix the spinlock and unlock issue.

[vpp.git] / src / plugins / memif / device.c

diff --git a/src/plugins/memif/device.c b/src/plugins/memif/device.c
index fcbdc0d..8e902fe 100644 (file)
--- a/src/plugins/memif/device.c
+++ b/src/plugins/memif/device.c
@@ -388,11 +388,12 @@ VNET_DEVICE_CLASS_TX_FN (memif_device_class) (vlib_main_t * vm,
     {
       ASSERT (tx_queues > 0);
       mq = vec_elt_at_index (mif->tx_queues, thread_index % tx_queues);
-      clib_spinlock_lock_if_init (&mif->lockp);
     }
   else
     mq = vec_elt_at_index (mif->tx_queues, thread_index);
 
+  clib_spinlock_lock_if_init (&mif->lockp);
+
   from = vlib_frame_vector_args (frame);
   n_left = frame->n_vectors;
   if (mif->flags & MEMIF_IF_FLAG_ZERO_COPY)