From 1a3e06ddd5672eefcf16a09fea3450134ff6436b Mon Sep 17 00:00:00 2001
From: Daryl Koopersmith <dkoopersmith@gmail.com>
Date: Wed, 21 Nov 2012 12:53:02 +0000
Subject: [PATCH] Media: Ensure Attachments.mirror returns true. see #21390.

git-svn-id: http://core.svn.wordpress.org/trunk@22753 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/js/media-models.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/js/media-models.js b/wp-includes/js/media-models.js
index 59851402ac..e4779f8efc 100644
--- a/wp-includes/js/media-models.js
+++ b/wp-includes/js/media-models.js
@@ -425,7 +425,7 @@ window.wp = window.wp || {};
 
 		mirror: function( attachments ) {
 			if ( this.mirroring && this.mirroring === attachments )
-				return;
+				return this;
 
 			this.unmirror();
 			this.mirroring = attachments;