Media: Account for a race condition when deleting an edit gallery frame. see #21390.

git-svn-id: http://core.svn.wordpress.org/trunk@22530 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2012-11-10 09:57:28 +00:00 · 2012-11-10 09:57:28 +00:00 · 944066ef83
parent 9c20d148b9
commit 944066ef83
1 changed files with 2 additions and 1 deletions
--- a/wp-includes/js/mce-view.js
+++ b/wp-includes/js/mce-view.js
@ -740,7 +740,8 @@ window.wp = window.wp || {};
 				// Create a single-use frame. If the frame is closed,
 				// then detach it from the DOM and remove the reference.
 				this.frame.on( 'close', function() {
-					this.frame.detach();
+					if ( this.frame )
+						this.frame.detach();
 					delete this.frame;
 				}, this );