From acfe73ed18987b145af656ee01c2b5b4da84b1c5 Mon Sep 17 00:00:00 2001
From: Minghao Li <castermode@gmail.com>
Date: Wed, 16 Mar 2022 15:47:49 +0800
Subject: [PATCH] sync refactor

---
 source/libs/sync/src/syncRequestVote.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/source/libs/sync/src/syncRequestVote.c b/source/libs/sync/src/syncRequestVote.c
index be4f40aaad..062b0244bd 100644
--- a/source/libs/sync/src/syncRequestVote.c
+++ b/source/libs/sync/src/syncRequestVote.c
@@ -56,6 +56,8 @@ int32_t syncNodeOnRequestVoteCb(SSyncNode* ths, SyncRequestVote* pMsg) {
   bool grant = (pMsg->term == ths->pRaftStore->currentTerm) && logOK &&
                ((!raftStoreHasVoted(ths->pRaftStore)) || (syncUtilSameId(&(ths->pRaftStore->voteFor), &(pMsg->srcId))));
   if (grant) {
+    // maybe has already voted for pMsg->srcId
+    // vote again, no harm
     raftStoreVote(ths->pRaftStore, &(pMsg->srcId));
   }