From 819d1d967a8db5820f21cd02493ca2db43803b6b Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Wed, 25 Aug 2021 18:29:30 +0800
Subject: [PATCH] [TD-6167]<fix> fix memory leak

---
 src/client/src/tscPrepare.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/client/src/tscPrepare.c b/src/client/src/tscPrepare.c
index e576afb604..e607e11891 100644
--- a/src/client/src/tscPrepare.c
+++ b/src/client/src/tscPrepare.c
@@ -1503,6 +1503,14 @@ TAOS_STMT* taos_stmt_init(TAOS* taos) {
     return NULL;
   }
 
+  if (TSDB_CODE_SUCCESS != tscAllocPayload(&pSql->cmd, TSDB_DEFAULT_PAYLOAD_SIZE)) {
+    free(pSql);
+    free(pStmt);
+    terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
+    tscError("failed to malloc payload buffer");
+    return NULL;
+  }
+
   tsem_init(&pSql->rspSem, 0, 0);
   pSql->signature = pSql;
   pSql->pTscObj   = pObj;
-- 
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