From ab9526e619a948da1b4ab5f5c094e7204ecb4e94 Mon Sep 17 00:00:00 2001
From: Ermal <eri@pfsense.org>
Date: Fri, 6 Apr 2012 17:53:04 +0000
Subject: [PATCH] Resolves #2330. Check if there is a previous voucher config
 before wiping

---
 usr/local/www/services_captiveportal_vouchers.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/usr/local/www/services_captiveportal_vouchers.php b/usr/local/www/services_captiveportal_vouchers.php
index ba2a4d152f..d2f674a313 100644
--- a/usr/local/www/services_captiveportal_vouchers.php
+++ b/usr/local/www/services_captiveportal_vouchers.php
@@ -220,7 +220,10 @@ if ($_POST) {
 	}
 
 	if (!$input_errors) {
-		$newvoucher = array();
+		if (empty($config['voucher'][$cpzone]))
+                        $newvoucher = array();
+                else
+                        $newvoucher = $config['voucher'][$cpzone];
 		if ($_POST['enable'] == "yes")
 			$newvoucher['enable'] = true;
 		else