From f93408013d65ff91a862e42c316052fcc3aa2eff Mon Sep 17 00:00:00 2001
From: Julien Vaubourg <julien@vaubourg.com>
Date: Sun, 17 Apr 2016 16:47:39 +0200
Subject: [PATCH] Empty filter with no effect on the template

---
 sources/controller.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sources/controller.php b/sources/controller.php
index 23ad5b5..c6e158e 100644
--- a/sources/controller.php
+++ b/sources/controller.php
@@ -221,7 +221,7 @@ dispatch_put('/settings', function() {
 
           if(!preg_match('/^#/', $opt) && !preg_match('/<TPL:/', $opt)) {
             foreach($config['openvpn_rm'] AS $filter) {
-              if(preg_match("/$filter/i", $opt)) {
+              if(!empty($filter) && preg_match("/$filter/i", $opt)) {
                 $filtered = true;
               }
             }