bpf_trace_filter: allow use whithout classifier

[vpp.git] / src / vnet / classify / trace_classify.h

diff --git a/src/vnet/classify/trace_classify.h b/src/vnet/classify/trace_classify.h
index fea4dde..0342121 100644 (file)
--- a/src/vnet/classify/trace_classify.h
+++ b/src/vnet/classify/trace_classify.h
@@ -45,6 +45,9 @@ vnet_is_packet_traced_inline (vlib_buffer_t * b,
   if (func != 0)
     return -1;
 
+  if (classify_table_index == ~0)
+    return -1;
+
   /* This will happen... */
   if (pool_is_free_index (vcm->tables, classify_table_index))
     return -1;