From de7006743627a2e561f833c2117f17b8afce0791 Mon Sep 17 00:00:00 2001
From: Jinqing Kuang <kuangjinqingcn@gmail.com>
Date: Wed, 16 Oct 2024 10:48:41 +0800
Subject: [PATCH] fix(query)[TD-32564]. Fix memory leak in exceptional cases

In function tsdbTFileSetInitRef, clear all FileObj stored in
the variable lvl when an error occurs, and release the memory
allocated for lvl itself.
---
 source/dnode/vnode/src/tsdb/tsdbFSet2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/dnode/vnode/src/tsdb/tsdbFSet2.c b/source/dnode/vnode/src/tsdb/tsdbFSet2.c
index fc681f9753..a0ae58ac96 100644
--- a/source/dnode/vnode/src/tsdb/tsdbFSet2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbFSet2.c
@@ -602,14 +602,14 @@ int32_t tsdbTFileSetInitRef(STsdb *pTsdb, const STFileSet *fset1, STFileSet **fs
     SSttLvl *lvl;
     code = tsdbSttLvlInitRef(pTsdb, lvl1, &lvl);
     if (code) {
-      taosMemoryFree(lvl);
+      tsdbSttLvlClear(&lvl);
       tsdbTFileSetClear(fset);
       return code;
     }
 
     code = TARRAY2_APPEND(fset[0]->lvlArr, lvl);
     if (code) {
-      taosMemoryFree(lvl);
+      tsdbSttLvlClear(&lvl);
       tsdbTFileSetClear(fset);
       return code;
     }