event, whisper/whisperv6: use defer where possible (#20940)

2020-04-28 16:53:08 +08:00
parent 9887edd580
commit 0708b573bc
2 changed files with 2 additions and 2 deletions
--- a/event/event.go
+++ b/event/event.go
@ -196,9 +196,9 @@ func (s *TypeMuxSubscription) closewait() {
 	s.closed = true

 	s.postMu.Lock()
+	defer s.postMu.Unlock()
 	close(s.postC)
 	s.postC = nil
-	s.postMu.Unlock()
 }

 func (s *TypeMuxSubscription) deliver(event *TypeMuxEvent) {