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-rw-r--r--src/vlib/buffer_funcs.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vlib/buffer_funcs.h b/src/vlib/buffer_funcs.h
index 6ea804f8ec4..d1aecac7e80 100644
--- a/src/vlib/buffer_funcs.h
+++ b/src/vlib/buffer_funcs.h
@@ -304,7 +304,8 @@ vlib_buffer_alloc_from_free_list (vlib_main_t * vm,
if (PREDICT_FALSE (len < n_buffers))
{
bm->cb.vlib_buffer_fill_free_list_cb (vm, fl, n_buffers);
- len = vec_len (fl->buffers);
+ if (PREDICT_FALSE ((len = vec_len (fl->buffers)) == 0))
+ return 0;
/* even if fill free list didn't manage to refill free list
we should give what we have */