From 9d0b36145870f7d95008f318e86c82eadf0c1eee Mon Sep 17 00:00:00 2001
From: jaubourg <j@ubourg.net>
Date: Thu, 26 May 2011 18:50:33 +0100
Subject: [PATCH] Fixes #9104 again.

---
 src/deferred.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/deferred.js b/src/deferred.js
index 7592e361..e527e938 100644
--- a/src/deferred.js
+++ b/src/deferred.js
@@ -50,7 +50,7 @@ jQuery.extend({
 							if ( jQuery.isFunction( fn ) ) {
 								deferred[ handler ](function() {
 									returned = fn.apply( this, arguments );
-									if ( jQuery.isFunction( returned.promise ) ) {
+									if ( returned && jQuery.isFunction( returned.promise ) ) {
 										returned.promise().then( newDefer.resolve, newDefer.reject, newDefer.ping );
 									} else {
 										newDefer[ action ]( returned );