From 3d0661a1e79d48ff68a1302126a30e78a9732fa4 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Wed, 23 Apr 2014 12:54:18 +0200
Subject: [PATCH] Fix error when viewing expired link

---
 lib/private/files/filesystem.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/private/files/filesystem.php b/lib/private/files/filesystem.php
index 7e27650c55..434ee49587 100644
--- a/lib/private/files/filesystem.php
+++ b/lib/private/files/filesystem.php
@@ -374,6 +374,9 @@ class Filesystem {
 	 * Returns path like /admin/files
 	 */
 	static public function getRoot() {
+		if (!self::$defaultInstance) {
+			return null;
+		}
 		return self::$defaultInstance->getRoot();
 	}
 
-- 
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