From acfced4b47755eba3c5ae682f1a197341968f8a7 Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Fri, 19 Jul 2024 13:02:34 +0800
Subject: [PATCH] fix issue

---
 source/dnode/vnode/src/tsdb/tsdbFS2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/dnode/vnode/src/tsdb/tsdbFS2.c b/source/dnode/vnode/src/tsdb/tsdbFS2.c
index 0d620827fb..0b329d23b9 100644
--- a/source/dnode/vnode/src/tsdb/tsdbFS2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbFS2.c
@@ -154,7 +154,9 @@ int32_t save_fs(const TFileSetArray *arr, const char *fname) {
   int32_t lino = 0;
 
   cJSON *json = cJSON_CreateObject();
-  TSDB_CHECK_CODE(code = TSDB_CODE_OUT_OF_MEMORY, lino, _exit);
+  if (json == NULL) {
+    TSDB_CHECK_CODE(code = TSDB_CODE_OUT_OF_MEMORY, lino, _exit);
+  }
 
   // fmtv
   if (cJSON_AddNumberToObject(json, "fmtv", 1) == NULL) {