From 8a30058f52c7b2074ecb9da40fba622cfd935f2f Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Tue, 2 Feb 2016 18:10:13 +0100
Subject: [PATCH] filter invalid storages from the mount cache early

---
 lib/private/files/config/usermountcache.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/private/files/config/usermountcache.php b/lib/private/files/config/usermountcache.php
index 7d7b03fbc0..a2da3e9f52 100644
--- a/lib/private/files/config/usermountcache.php
+++ b/lib/private/files/config/usermountcache.php
@@ -74,7 +74,7 @@ class UserMountCache implements IUserMountCache {
 	public function registerMounts(IUser $user, array $mounts) {
 		// filter out non-proper storages coming from unit tests
 		$mounts = array_filter($mounts, function (IMountPoint $mount) {
-			return $mount->getStorage()->getCache();
+			return $mount->getStorage() && $mount->getStorage()->getCache();
 		});
 		/** @var ICachedMountInfo[] $newMounts */
 		$newMounts = array_map(function (IMountPoint $mount) use ($user) {