X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fmemif%2Fnode.c;h=506d88af76d946d5dbd4a9e35d4f3cbd024316fe;hb=9a3973e3a36bfd4dd8dbffe130a92649fc1b73d3;hp=82a7cbc142cb9d52f4ac9666b3646b888ca534c6;hpb=f6b02e0d0bfd7e0f1d79e8ee426f48ca37ae5ff3;p=vpp.git

diff --git a/src/plugins/memif/node.c b/src/plugins/memif/node.c
index 82a7cbc142c..506d88af76d 100644
--- a/src/plugins/memif/node.c
+++ b/src/plugins/memif/node.c
@@ -92,10 +92,10 @@ memif_trace_buffer (vlib_main_t * vm, vlib_node_runtime_t * node,
 {
   VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b);
 
-  if (PREDICT_TRUE (b != 0))
+  if (PREDICT_TRUE
+      (b != 0 && vlib_trace_buffer (vm, node, next, b, /* follow_chain */ 0)))
     {
       memif_input_trace_t *tr;
-      vlib_trace_buffer (vm, node, next, b, /* follow_chain */ 0);
       vlib_set_trace_count (vm, node, --(*n_tracep));
       tr = vlib_add_trace (vm, node, b, sizeof (*tr));
       tr->next_index = next;
@@ -484,14 +484,17 @@ memif_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
 	  if (mode != MEMIF_INTERFACE_MODE_ETHERNET)
 	    ni = next[0];
 	  b = vlib_get_buffer (vm, bi[0]);
-	  vlib_trace_buffer (vm, node, ni, b, /* follow_chain */ 0);
-	  tr = vlib_add_trace (vm, node, b, sizeof (*tr));
-	  tr->next_index = ni;
-	  tr->hw_if_index = mif->hw_if_index;
-	  tr->ring = qid;
+	  if (PREDICT_TRUE
+	      (vlib_trace_buffer (vm, node, ni, b, /* follow_chain */ 0)))
+	    {
+	      tr = vlib_add_trace (vm, node, b, sizeof (*tr));
+	      tr->next_index = ni;
+	      tr->hw_if_index = mif->hw_if_index;
+	      tr->ring = qid;
+	      n_trace--;
+	    }
 
 	  /* next */
-	  n_trace--;
 	  n_left--;
 	  bi++;
 	  next++;