From c2e2529c41c2ec8ba40ffa95e1a5dd221d5e4b45 Mon Sep 17 00:00:00 2001
From: Shuduo Sang <sdsang@taosdata.com>
Date: Wed, 3 Jun 2020 10:18:14 +0800
Subject: [PATCH] fix issue deref after free in tscUtil.c

[TD-511]
---
 src/client/src/tscUtil.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 4b9d2b920f..b8fd195aa6 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -759,10 +759,6 @@ void tscCloseTscObj(STscObj* pObj) {
   taosTmrStopA(&(pObj->pTimer));
   tscFreeSqlObj(pSql);
 
-  if (pSql) {
-    sem_destroy(&pSql->rspSem);
-  }
-  
   pthread_mutex_destroy(&pObj->mutex);
   
   if (pObj->pDnodeConn != NULL) {
-- 
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