event: add missing unlock before panic (#20653)

Boqin Qin · web-flow · commit 18213281627b · 2020-02-12T10:33:31.000+01:00
diff --git a/event/feed.go b/event/feed.go
@@ -138,6 +138,7 @@ func (f *Feed) Send(value interface{}) (nsent int) {
 
 	if !f.typecheck(rvalue.Type()) {
 		f.sendLock <- struct{}{}
+		f.mu.Unlock()
 		panic(feedTypeError{op: "Send", got: rvalue.Type(), want: f.etype})
 	}
 	f.mu.Unlock()

Original file line number	Diff line number	Diff line change
`@@ -138,6 +138,7 @@ func (f *Feed) Send(value interface{}) (nsent int) {`
`138`	`138`
`139`	`139`	`if !f.typecheck(rvalue.Type()) {`
`140`	`140`	`f.sendLock <- struct{}{}`
	`141`	`+ f.mu.Unlock()`
`141`	`142`	`panic(feedTypeError{op: "Send", got: rvalue.Type(), want: f.etype})`
`142`	`143`	`}`
`143`	`144`	`f.mu.Unlock()`