event: add missing unlock before panic (#20653)

18213281 · Boqin Qin · GitHub · 8045504a · 18213281
Unverified Commit 18213281 authored Feb 12, 2020 by Boqin Qin Committed by GitHub Feb 12, 2020
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feed.go event/feed.go +1 -0

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--- 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()