Do not use xcache variable cache if cache size is 0.

This is possible because it is possible to only use xcache as an opcode cache
but not a variable cache.

diff --git a/lib/private/memcache/xcache.php b/lib/private/memcache/xcache.php
index 33de30562f901e7bbaef111cc823f70db700ec95..4485f9052079d590f82b8d147229d845d50dc2b6 100644 (file)
--- a/lib/private/memcache/xcache.php
+++ b/lib/private/memcache/xcache.php
@@ -44,11 +44,15 @@ class XCache extends Cache {
        static public function isAvailable(){
                if (!extension_loaded('xcache')) {
                        return false;
-               } elseif (\OC::$CLI) {
+               }
+               if (\OC::$CLI) {
                        return false;
-               }else{
-                       return true;
                }
+               $var_size = (int) ini_get('xcache.var_size');
+               if (!$var_size) {
+                       return false;
+               }
+               return true;
        }
 }