- prev_b0->flags |= VLIB_BUFFER_NEXT_PRESENT;
- prev_b0->next_buffer = bi0;
- hb->total_length_not_including_first_buffer +=
- b0->current_length;
+ if (PREDICT_TRUE (b0->current_length != 0))
+ {
+ prev_b0->flags |= VLIB_BUFFER_NEXT_PRESENT;
+ prev_b0->next_buffer = bi0;
+ hb->total_length_not_including_first_buffer +=
+ b0->current_length;
+ }
+ else
+ {
+ vlib_buffer_free_one (vm, bi0);
+ }