From dc3e3fd7477d264e179621155b3621e0919c92f2 Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Thu, 26 Aug 2021 11:25:49 +0800
Subject: [PATCH] [TD-6167]<fix> add null pointer protection

---
 src/client/src/tscPrepare.c | 1 -
 tests/script/api/stmt.c     | 1 -
 2 files changed, 2 deletions(-)

diff --git a/src/client/src/tscPrepare.c b/src/client/src/tscPrepare.c
index 725d9d9850..099ee77bc5 100644
--- a/src/client/src/tscPrepare.c
+++ b/src/client/src/tscPrepare.c
@@ -1986,7 +1986,6 @@ TAOS_RES *taos_stmt_use_result(TAOS_STMT* stmt) {
     return NULL;
   }
   TAOS_RES* result = pStmt->pSql;
-  pStmt->pSql = NULL;
   return result;
 }
 
diff --git a/tests/script/api/stmt.c b/tests/script/api/stmt.c
index 685401ef28..168d281f70 100644
--- a/tests/script/api/stmt.c
+++ b/tests/script/api/stmt.c
@@ -468,7 +468,6 @@ void taos_stmt_use_result_query(void *taos, char *col, int type) {
   assert(taos_stmt_close(stmt) == 0);
   free(params);
   free(stmt_sql);
-  taos_free_result(result);
 }
 
 void taos_stmt_use_result_test() {
-- 
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