From ff98cdd4f295947ffbb7ef220ac6d2de716bc0ad Mon Sep 17 00:00:00 2001
From: Victor Vasiliev <vasilievvv@users.mediawiki.org>
Date: Tue, 12 Feb 2008 18:50:42 +0000
Subject: [PATCH] Fixing fatal error on invalid usernames.

---
 includes/SpecialBlockip.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/SpecialBlockip.php b/includes/SpecialBlockip.php
index 29fc1d646c..f2c5f7c9c0 100644
--- a/includes/SpecialBlockip.php
+++ b/includes/SpecialBlockip.php
@@ -299,7 +299,7 @@ class IPBlockForm {
 						$userId = $user->getID();
 						$this->BlockAddress = $user->getName();
 					} else {
-						return array('nosuchusershort', htmlspecialchars($user->getName()));
+						return array('nosuchusershort', htmlspecialchars( $user ? $user->getName() : $this->BlockAddress ) );
 					}
 				} else {
 					return array('badipaddress');
-- 
2.20.1