From c2665e2cb249f3f329dfdef8a22979d68172d115 Mon Sep 17 00:00:00 2001
From: Brian Wolff <bawolff+wn@gmail.com>
Date: Thu, 14 Aug 2014 17:24:50 -0300
Subject: [PATCH] Make sure processResponsiveImages checks for valid thumb
 object

If the thumbnail is an error (or worse yet, if the MediaHandler
returns false, like TMH does in certain circumstances), we
should not add responsive thumbnail links.

Change-Id: I2aafbd07e8435ce2d1b4cb32e49e98cb5f6c00ab
---
 includes/Linker.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/Linker.php b/includes/Linker.php
index d9f4255e68..012bc1ba64 100644
--- a/includes/Linker.php
+++ b/includes/Linker.php
@@ -897,7 +897,7 @@ class Linker {
 	 */
 	public static function processResponsiveImages( $file, $thumb, $hp ) {
 		global $wgResponsiveImages;
-		if ( $wgResponsiveImages ) {
+		if ( $wgResponsiveImages && $thumb && !$thumb->isError() ) {
 			$hp15 = $hp;
 			$hp15['width'] = round( $hp['width'] * 1.5 );
 			$hp20 = $hp;
-- 
2.20.1