X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvlib%2Fbuffer_node.h;h=35e15a5d9196bb24932a5ec7787cff461ddb476a;hb=825fc4892ee7ec3cff83b2754cd921c0157e62f8;hp=93ffb1e9dce8f1f8927cd6f55d9ca9b4e25493da;hpb=b9fa29d513bfad0d9f18e8ed8c2da3feaa6d3bf0;p=vpp.git

diff --git a/src/vlib/buffer_node.h b/src/vlib/buffer_node.h
index 93ffb1e9dce..35e15a5d919 100644
--- a/src/vlib/buffer_node.h
+++ b/src/vlib/buffer_node.h
@@ -366,10 +366,15 @@ vlib_buffer_enqueue_to_next (vlib_main_t * vm, vlib_node_runtime_t * node,
       n_enqueued = count_trailing_zeros (~bitmap) / 2;
 #else
       u16 x = 0;
-      x |= next_index ^ nexts[1];
-      x |= next_index ^ nexts[2];
-      x |= next_index ^ nexts[3];
-      n_enqueued = (x == 0) ? 4 : 1;
+      if (count + 3 < max)
+	{
+	  x |= next_index ^ nexts[1];
+	  x |= next_index ^ nexts[2];
+	  x |= next_index ^ nexts[3];
+	  n_enqueued = (x == 0) ? 4 : 1;
+	}
+      else
+	n_enqueued = 1;
 #endif
 
       if (PREDICT_FALSE (n_enqueued > max))