X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fbier%2Fbier_lookup.c;h=f7a21a1c744c845674725a546c6c20863dfddc50;hb=e8ea6be8dfb626b5bb4ff3355ce8037724ce1d83;hp=a9fab9c80f11a1fb6ce969df360e89f010832c4d;hpb=6631780422787166550b9871c46a94c160416324;p=vpp.git

diff --git a/src/vnet/bier/bier_lookup.c b/src/vnet/bier/bier_lookup.c
index a9fab9c80f1..f7a21a1c744 100644
--- a/src/vnet/bier/bier_lookup.c
+++ b/src/vnet/bier/bier_lookup.c
@@ -147,10 +147,9 @@ bier_lookup (vlib_main_t * vm,
             memcpy(bbs.bbs_buckets, bh0->bh_bit_string, bbs.bbs_len);
 
             /*
-             * reset the fmask and clone storage vectors
+             * reset the fmask storage vector
              */
             vec_reset_length (blm->blm_fmasks[thread_index]);
-            vec_reset_length (blm->blm_clones[thread_index]);
 
             /*
              * Loop through the buckets in the header
@@ -220,13 +219,16 @@ bier_lookup (vlib_main_t * vm,
 
             if (PREDICT_TRUE(0 != n_clones))
             {
+                vec_set_len(blm->blm_clones[thread_index], n_clones);
                 num_cloned = vlib_buffer_clone(vm, bi0,
                                                blm->blm_clones[thread_index],
                                                n_clones,
 					       VLIB_BUFFER_CLONE_HEAD_SIZE);
 
-                if (num_cloned != vec_len(blm->blm_fmasks[thread_index]))
+
+                if (num_cloned != n_clones)
                 {
+                    vec_set_len(blm->blm_clones[thread_index], num_cloned);
                     vlib_node_increment_counter
                         (vm, node->node_index,
                          BIER_LOOKUP_ERROR_BUFFER_ALLOCATION_FAILURE, 1);