From f5da458c77aaa668933e585202f2576241fc81e8 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Wed, 20 Sep 2023 15:45:15 +0800
Subject: [PATCH] fix(stream): unlock when returning.

---
 source/dnode/vnode/src/tq/tq.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 35b6d4ddc5..7b203a37b8 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -1653,6 +1653,7 @@ int32_t tqProcessStreamCheckPointSourceReq(STQ* pTq, SRpcMsg* pMsg) {
     SRpcMsg rsp = {0};
     buildCheckpointSourceRsp(&req, &pMsg->info, &rsp, 0);
     tmsgSendRsp(&rsp);   // error occurs
+    taosThreadMutexUnlock(&pTask->lock);
     return TSDB_CODE_SUCCESS;
   }
   streamProcessCheckpointSourceReq(pTask, &req);