memif: improve error reporting

[vpp.git] / src / vnet / api_errno.h

diff --git a/src/vnet/api_errno.h b/src/vnet/api_errno.h
index 4e91e13..60e48f4 100644 (file)
--- a/src/vnet/api_errno.h
+++ b/src/vnet/api_errno.h
@@ -35,6 +35,8 @@ format_function_t format_vnet_api_errno;
 static_always_inline vnet_api_error_t
 vnet_api_error (clib_error_t *err)
 {
+  if (err == 0)
+    return 0;
   if (err->code >= 0)
     return VNET_API_ERROR_BUG;
   return err->code;