From 64b8e8b09f7938326d8c7033818f9d4841a104f9 Mon Sep 17 00:00:00 2001
From: machard <machard@v579.office.viadeo.internal>
Date: Thu, 23 Apr 2015 11:15:55 +0200
Subject: [PATCH] only call cb if exists

---
 Libraries/Utilities/MessageQueue.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Libraries/Utilities/MessageQueue.js b/Libraries/Utilities/MessageQueue.js
index c047d06deecf93..0a55b152ac3c75 100644
--- a/Libraries/Utilities/MessageQueue.js
+++ b/Libraries/Utilities/MessageQueue.js
@@ -261,7 +261,7 @@ var MessageQueueMixin = {
         'both the success callback and the error callback.',
          cbID
       );
-      cb.apply(scope, args);
+      if (cb) cb.apply(scope, args);
     } catch(ie_requires_catch) {
       throw ie_requires_catch;
     } finally {