From 69406c213806a08be106b1c32409865d5487ed40 Mon Sep 17 00:00:00 2001
From: hi-rustin <rustin.liu@gmail.com>
Date: Mon, 26 Sep 2022 17:19:09 +0800
Subject: [PATCH] pkg/pdutil(ticdc): fix a dead lock issue

---
 pkg/pdutil/clock.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkg/pdutil/clock.go b/pkg/pdutil/clock.go
index c114b47e97c..2687bc18033 100644
--- a/pkg/pdutil/clock.go
+++ b/pkg/pdutil/clock.go
@@ -43,7 +43,7 @@ type clock struct {
 		sync.RWMutex
 		// The time encoded in PD ts.
 		tsEventTime time.Time
-		// The time we receives PD ts.
+		// The time we receive PD ts.
 		tsProcessingTime time.Time
 		err              error
 	}
@@ -120,8 +120,8 @@ func (c *clock) CurrentTime() (time.Time, error) {
 // Stop clock.
 func (c *clock) Stop() {
 	c.mu.Lock()
-	defer c.mu.Unlock()
 	c.cancel()
+	c.mu.Unlock()
 	<-c.stopCh
 }