Ticket #22585: 22585.2.diff

wp-includes/ms-functions.php

@@ -1997 +1997 @@
         if ( get_site_option( 'upload_space_check_disabled' ) )
                 return true;
 
-        if ( !( $space_allowed = get_upload_space_available() ) )
-                return false;
-
-        return true;
+        return (bool) get_upload_space_available();
 }
 
 /**