From 07291a7ebca8544ab6a8ed605c2f80004cbc5964 Mon Sep 17 00:00:00 2001
From: yihaoDeng <yhdeng@taosdata.com>
Date: Mon, 29 Apr 2024 01:19:53 +0800
Subject: [PATCH] fix:[TS-4718]pMsg->data is null

---
 source/client/src/clientTmq.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/source/client/src/clientTmq.c b/source/client/src/clientTmq.c
index 18a6f2d4c6..2a94c7a9c0 100644
--- a/source/client/src/clientTmq.c
+++ b/source/client/src/clientTmq.c
@@ -1352,15 +1352,15 @@ int32_t tmqPollCb(void* param, SDataBuf* pMsg, int32_t code) {
     goto FAIL;
   }
 
+  if (code != 0) {
+    goto END;
+  }
+
   if(pMsg->pData == NULL){
     tscError("consumer:0x%" PRIx64 " msg discard from vgId:%d, since msg is NULL", tmq->consumerId, vgId);
     goto FAIL;
   }
 
-  if (code != 0) {
-    goto END;
-  }
-
   int32_t msgEpoch = ((SMqRspHead*)pMsg->pData)->epoch;
   int32_t clientEpoch = atomic_load_32(&tmq->epoch);
   if (msgEpoch < clientEpoch) {