From 81549a3523a58da2c1814abde0f888600f4855e9 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Sun, 28 Apr 2019 02:44:32 +0900
Subject: [PATCH] audio: Bug fix: Remove redundant Unlock

---
 audio/audio.go | 1 -
 1 file changed, 1 deletion(-)

diff --git a/audio/audio.go b/audio/audio.go
index 63b27322e..00657e11c 100644
--- a/audio/audio.go
+++ b/audio/audio.go
@@ -346,7 +346,6 @@ func (p *playerImpl) Close() error {
 	c := p.closedExplicitly
 	p.m.Unlock()
 	if c {
-		p.m.Unlock()
 		return fmt.Errorf("audio: the player is already closed")
 	}