return TALER_EC_INVALID instead of TALER_EC_NONE when error JSON doesn't contain code

1 files changed, 6 insertions, 1 deletions

diff --git a/src/json/json.c b/src/json/json.c
index 807ea0b61..6de299319 100644
--- a/src/json/json.c
+++ b/src/json/json.c
@@ -77,8 +77,13 @@ TALER_JSON_get_error_code (const json_t *json)
     return TALER_EC_INVALID_RESPONSE;
   }
   jc = json_object_get (json, "code");
+  /* The caller already knows that the JSON represents an error,
+     so we are dealing with a missing error code here.  */
   if (NULL == jc)
-    return TALER_EC_NONE;
+  {
+    GNUNET_break_op (0);
+    return TALER_EC_INVALID;
+  }
   if (json_is_integer (jc))
     return (enum TALER_ErrorCode) json_integer_value (jc);
   GNUNET_break_op (0);