"MDL-18520, fix warning in file system plugin"

diff --git a/repository/filesystem/repository.class.php b/repository/filesystem/repository.class.php
index ae8cf13fa9ece1da7ef50c1b1ed3b0d27e6a74af..2f1c615f5ff3e19f9ad31f93c28a3ca64b719190 100644 (file)
--- a/repository/filesystem/repository.class.php
+++ b/repository/filesystem/repository.class.php
@@ -9,6 +9,9 @@ class repository_filesystem extends repository {
         );
     public function __construct($repositoryid, $context = SITEID, $options = array()) {
         parent::__construct($repositoryid, $context, $options);
+        if (empty($this->root_path)) {
+            return;
+        }
         $this->root_path = trim($this->root_path);
         if (!empty($options['ajax'])) {
             // if created from filepicker