From f48b6205465cf98bed02b0540e68a536b640f86e Mon Sep 17 00:00:00 2001
From: Ermal <eri@pfsense.org>
Date: Wed, 27 Oct 2010 20:55:09 +0000
Subject: [PATCH] Ticket #975. Properly initialize variables to avoid caching
 issues. Also check an array exists before trying to foreach to avoid errors.

---
 etc/rc.filter_synchronize | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/etc/rc.filter_synchronize b/etc/rc.filter_synchronize
index 46bd66a3c3..cf221bfe05 100755
--- a/etc/rc.filter_synchronize
+++ b/etc/rc.filter_synchronize
@@ -49,11 +49,14 @@ require_once("interfaces.inc");
  */
 function backup_vip_config_section() {
 	global $config;
-	$new_section = &$config['virtualip'];
-	foreach($new_section['vip'] as $section) {
-		if($section['mode'] == "proxyarp" || $section['mode'] == "ipalias") {
-			unset($section);
-		}
+
+	if (is_array($config['virtualip']['vip']))
+		return;
+	$temp = array();
+	$temp['vip'] = array();
+	foreach($config['virtualip']['vip'] as $section) {
+		if($section['mode'] == "proxyarp" || $section['mode'] == "ipalias")
+			continue;
 		if($section['advskew'] <> "") {
 			$section_val = intval($section['advskew']);
 			$section_val=$section_val+100;