From e14994c23f9db8fcf0498ded13244d283492d71d Mon Sep 17 00:00:00 2001
From: yihaoDeng <luomoxyz@126.com>
Date: Fri, 3 Feb 2023 12:45:20 +0800
Subject: [PATCH] fix: fail fast

---
 source/client/src/clientImpl.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 09f614ddb2..3c26e674b4 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -138,6 +138,12 @@ STscObj* taos_connect_internal(const char* ip, const char* user, const char* pas
     p->mgmtEp = epSet;
     taosThreadMutexInit(&p->qnodeMutex, NULL);
     p->pTransporter = openTransporter(user, secretEncrypt, tsNumOfCores / 2);
+    if (p->pTransporter == NULL) {
+      taosThreadMutexUnlock(&appInfo.mutex);
+      taosMemoryFreeClear(key);
+      taosMemoryFree(p);
+      return NULL;
+    }
     p->pAppHbMgr = appHbMgrInit(p, key);
     if (NULL == p->pAppHbMgr) {
       destroyAppInst(p);