From 21676540091658429c754e35731c466fdf91953e Mon Sep 17 00:00:00 2001
From: Pavle Goloskokovic <pgoloskokovic@gmail.com>
Date: Sat, 14 Apr 2018 18:50:28 +0200
Subject: [PATCH] Skipping unlocking logic if there are no locked tags

---
 src/sound/html5/HTML5AudioSoundManager.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/sound/html5/HTML5AudioSoundManager.js b/src/sound/html5/HTML5AudioSoundManager.js
index 66ab598c6..791c5d011 100644
--- a/src/sound/html5/HTML5AudioSoundManager.js
+++ b/src/sound/html5/HTML5AudioSoundManager.js
@@ -203,6 +203,11 @@ var HTML5AudioSoundManager = new Class({
                 return true;
             });
 
+            if (lockedTags.length === 0)
+            {
+                return;
+            }
+
             var lastTag = lockedTags[lockedTags.length - 1];
 
             lastTag.oncanplaythrough = function ()