diff options
Diffstat (limited to 'src/vnet/span')
| -rw-r--r-- | src/vnet/span/node.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/vnet/span/node.c b/src/vnet/span/node.c index 50d642c2f8b..5037c120ba5 100644 --- a/src/vnet/span/node.c +++ b/src/vnet/span/node.c @@ -83,11 +83,15 @@ span_mirror (vlib_main_t * vm, span_interface_t * si0, vlib_buffer_t * b0, mirror_frames[i] = vnet_get_frame_to_sw_interface (vnm, i); to_mirror_next = vlib_frame_vector_args (mirror_frames[i]); to_mirror_next += mirror_frames[i]->n_vectors; + /* This can fail */ c0 = vlib_buffer_copy (vm, b0); - vnet_buffer (c0)->sw_if_index[VLIB_TX] = i; - c0->flags |= VNET_BUFFER_SPAN_CLONE; - to_mirror_next[0] = vlib_get_buffer_index (vm, c0); - mirror_frames[i]->n_vectors++; + if (PREDICT_TRUE(c0 != 0)) + { + vnet_buffer (c0)->sw_if_index[VLIB_TX] = i; + c0->flags |= VNET_BUFFER_SPAN_CLONE; + to_mirror_next[0] = vlib_get_buffer_index (vm, c0); + mirror_frames[i]->n_vectors++; + } })); /* *INDENT-ON* */ } |