From 462cff43625fb333585e86b1bd3201cf972b888b Mon Sep 17 00:00:00 2001
From: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Date: Wed, 2 Aug 2023 09:28:07 +0800
Subject: [PATCH] p2p(ticdc): fix panic issue when peer is not found (#9355)
 (#9475)

close pingcap/tiflow#9354
---
 pkg/p2p/server.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkg/p2p/server.go b/pkg/p2p/server.go
index 7bcf2c87a77..207f9bf9a97 100755
--- a/pkg/p2p/server.go
+++ b/pkg/p2p/server.go
@@ -378,6 +378,7 @@ func (m *MessageServer) deregisterPeerByID(ctx context.Context, peerID string) {
 	m.peerLock.Unlock()
 	if !ok {
 		log.Warn("peer not found", zap.String("peerID", peerID))
+		return
 	}
 	m.deregisterPeer(ctx, peer, nil)
 }