vlib: fix format_error_trace

Error index calculation is error_code + error_node->error_heap_index.

Type: fix
Fixes: gerrit 20802

Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I66cf05a29b3cfd9ef9c5468e399290e862b784af

diff --git a/src/vlib/drop.c b/src/vlib/drop.c
index 034a23f..e29195a 100644 (file)
--- a/src/vlib/drop.c
+++ b/src/vlib/drop.c
@@ -91,7 +91,8 @@ format_error_trace (u8 * s, va_list * va)
   u32 i;
 
   error_node = vlib_get_node (vm, vlib_error_get_node (&vm->node_main, e[0]));
-  i = counter_index (vm, vlib_error_get_code (&vm->node_main, e[0]));
+  i = counter_index (vm, vlib_error_get_code (&vm->node_main, e[0])) +
+    error_node->error_heap_index;
   s = format (s, "%v: %s", error_node->name, em->error_strings_heap[i]);
 
   return s;