fix vector index range checks

[vpp.git] / src / plugins / dpdk / device / flow.c

diff --git a/src/plugins/dpdk/device/flow.c b/src/plugins/dpdk/device/flow.c
index becd397..351390b 100644 (file)
--- a/src/plugins/dpdk/device/flow.c
+++ b/src/plugins/dpdk/device/flow.c
@@ -368,11 +368,10 @@ format_dpdk_flow (u8 * s, va_list * args)
       return s;
     }
 
-  fe = vec_elt_at_index (xd->flow_entries, private_data);
-
-  if (!fe)
+  if (private_data >= vec_len (xd->flow_entries))
     return format (s, "unknown flow");
 
+  fe = vec_elt_at_index (xd->flow_entries, private_data);
   s = format (s, "mark %u", fe->mark);
   return s;
 }