From 828368ae3aa672a2a667fffd43ef6f278a2e43d9 Mon Sep 17 00:00:00 2001
From: eeff <33566201+eeff@users.noreply.github.com>
Date: Tue, 30 Apr 2024 16:25:02 +0800
Subject: [PATCH] fix(restful): invalid free

---
 src/parser/neu_json_tag.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/parser/neu_json_tag.c b/src/parser/neu_json_tag.c
index 04f5c9d5..1cede062 100644
--- a/src/parser/neu_json_tag.c
+++ b/src/parser/neu_json_tag.c
@@ -336,7 +336,8 @@ int neu_json_decode_add_tags_req(char *buf, neu_json_add_tags_req_t **result)
 
     json_obj = neu_json_decode_new(buf);
     if (NULL == json_obj) {
-        goto decode_fail;
+        free(req);
+        return -1;
     }
 
     neu_json_elem_t req_elems[] = {
@@ -545,7 +546,8 @@ int neu_json_decode_add_gtags_req(char *buf, neu_json_add_gtags_req_t **result)
 
     json_obj = neu_json_decode_new(buf);
     if (NULL == json_obj) {
-        goto decode_fail;
+        free(req);
+        return -1;
     }
 
     neu_json_elem_t req_elems[] = {
@@ -681,6 +683,10 @@ int neu_json_decode_del_tags_req(char *buf, neu_json_del_tags_req_t **result)
     }
 
     json_obj = neu_json_decode_new(buf);
+    if (NULL == json_obj) {
+        free(req);
+        return -1;
+    }
 
     neu_json_elem_t req_elems[] = { {
                                         .name = "node",
@@ -797,7 +803,8 @@ int neu_json_decode_update_tags_req(char *                       buf,
 
     json_obj = neu_json_decode_new(buf);
     if (NULL == json_obj) {
-        goto decode_fail;
+        free(req);
+        return -1;
     }
 
     neu_json_elem_t req_elems[] = {