From ede7f23b0e1e40887d2a6a398192a8c4bc3bbe7a Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Thu, 1 Aug 2024 09:31:51 +0800
Subject: [PATCH] fix(stream): fix dead lock caused by refactor.

---
 source/libs/stream/src/streamCheckpoint.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/libs/stream/src/streamCheckpoint.c b/source/libs/stream/src/streamCheckpoint.c
index d777883015..7b205a16a1 100644
--- a/source/libs/stream/src/streamCheckpoint.c
+++ b/source/libs/stream/src/streamCheckpoint.c
@@ -253,6 +253,7 @@ int32_t streamProcessCheckpointTriggerBlock(SStreamTask* pTask, SStreamDataBlock
         for (int32_t i = 0; i < taosArrayGetSize(pActiveInfo->pReadyMsgList); ++i) {
           STaskCheckpointReadyInfo* p = taosArrayGet(pActiveInfo->pReadyMsgList, i);
           if (p == NULL) {
+            streamMutexUnlock(&pTask->lock);
             return TSDB_CODE_INVALID_PARA;
           }