vhost build fix for i386

[qemu.git] / json-streamer.c

diff --git a/json-streamer.c b/json-streamer.c
index a6cb28f66579c6d8525b7300768280e94cabb5cd..c255c7818f3af4c6cd9dfca71ee55e8dd63bbb7c 100644 (file)
--- a/json-streamer.c
+++ b/json-streamer.c
@@ -56,29 +56,40 @@ static void json_message_process_token(JSONLexer *lexer, QString *token, JSONTok
 
     qlist_append(parser->tokens, dict);
 
-    if (parser->brace_count < 0 ||
+    if (type == JSON_ERROR) {
+        goto out_emit_bad;
+    } else if (parser->brace_count < 0 ||
         parser->bracket_count < 0 ||
         (parser->brace_count == 0 &&
          parser->bracket_count == 0)) {
-        parser->brace_count = 0;
-        parser->bracket_count = 0;
-        parser->emit(parser, parser->tokens);
-        QDECREF(parser->tokens);
-        parser->tokens = qlist_new();
-        parser->token_size = 0;
+        goto out_emit;
     } else if (parser->token_size > MAX_TOKEN_SIZE ||
                parser->bracket_count > MAX_NESTING ||
                parser->brace_count > MAX_NESTING) {
         /* Security consideration, we limit total memory allocated per object
          * and the maximum recursion depth that a message can force.
          */
-        parser->brace_count = 0;
-        parser->bracket_count = 0;
-        parser->emit(parser, parser->tokens);
+        goto out_emit;
+    }
+
+    return;
+
+out_emit_bad:
+    /* clear out token list and tell the parser to emit and error
+     * indication by passing it a NULL list
+     */
+    QDECREF(parser->tokens);
+    parser->tokens = NULL;
+out_emit:
+    /* send current list of tokens to parser and reset tokenizer */
+    parser->brace_count = 0;
+    parser->bracket_count = 0;
+    parser->emit(parser, parser->tokens);
+    if (parser->tokens) {
         QDECREF(parser->tokens);
-        parser->tokens = qlist_new();
-        parser->token_size = 0;
     }
+    parser->tokens = qlist_new();
+    parser->token_size = 0;
 }
 
 void json_message_parser_init(JSONMessageParser *parser,