From da82a94a7d2df2ae143ac1d2aa9d3a0bbba14d85 Mon Sep 17 00:00:00 2001
From: Seth Mos <seth.mos@xs4all.nl>
Date: Fri, 23 Oct 2009 00:24:25 +0200
Subject: [PATCH] Unbreak filter_get_direct_networks() Check if the array is
 empty

---
 etc/inc/filter.inc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/etc/inc/filter.inc b/etc/inc/filter.inc
index a4825bf5f3..767d6f1acc 100644
--- a/etc/inc/filter.inc
+++ b/etc/inc/filter.inc
@@ -490,8 +490,9 @@ function filter_get_direct_networks_list() {
 	/* build list of directly connected interfaces and networks */
 	$networks = "";
 	$networks_arr = array();
-	if (!isset($FilterIflist))
+	if (empty($FilterIflist)) {
 		filter_generate_optcfg_array();
+	}
 	foreach ($FilterIflist as $ifent => $ifcfg) {
 		if(is_subnet($ifcfg['sa'])) {
 			$networks_arr[] = $subnet;