From 16d60bf313a6df7a1fbb8936aeec6ca3b7b20589 Mon Sep 17 00:00:00 2001
From: Li Minghao <castermode@gmail.com>
Date: Mon, 25 Apr 2022 23:14:17 -0700
Subject: [PATCH] add flag in syncEnv, to deal with expired timer 2

---
 source/libs/sync/src/syncEnv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/source/libs/sync/src/syncEnv.c b/source/libs/sync/src/syncEnv.c
index 5ad1758a8f..4b2bc4130a 100644
--- a/source/libs/sync/src/syncEnv.c
+++ b/source/libs/sync/src/syncEnv.c
@@ -103,9 +103,8 @@ static SSyncEnv *doSyncEnvStart() {
 
 static int32_t doSyncEnvStop(SSyncEnv *pSyncEnv) {
   assert(pSyncEnv == gSyncEnv);
-  atomic_store_8(&(pSyncEnv->isStart), 0); 
-
   if (pSyncEnv != NULL) {
+    atomic_store_8(&(pSyncEnv->isStart), 0); 
     taosTmrCleanUp(pSyncEnv->pTimerManager);
     taosMemoryFree(pSyncEnv);
   }