Fix the link local check when trying to add a link local gateway

Ticket #2071

1 files changed, 7 insertions, 7 deletions

diff --git a/usr/local/www/system_gateways_edit.php b/usr/local/www/system_gateways_edit.php
index 86cb0c8..a9f28cf 100755
--- a/usr/local/www/system_gateways_edit.php
+++ b/usr/local/www/system_gateways_edit.php
@@ -123,13 +123,13 @@ if ($_POST) {
 			}
 		}
 		if(is_ipaddrv6($_POST['gateway'])) {
-			$parent_ip = get_interface_ipv6($_POST['interface']);
-			$parent_sn = get_interface_subnetv6($_POST['interface']);
-			if(empty($parent_ip) || empty($parent_sn)) {
-				$input_errors[] = gettext("You can not use a IPv4 Gateway Address on a IPv6 only interface.");
-			} else {
-				/* do not do a subnet match on a link local address, it's valid */
-				if(! preg_match("/fe80::/", $_POST['gateway'])) {
+			/* do not do a subnet match on a link local address, it's valid */
+			if(! preg_match("/fe80::/", $_POST['gateway'])) {
+				$parent_ip = get_interface_ipv6($_POST['interface']);
+				$parent_sn = get_interface_subnetv6($_POST['interface']);
+				if(empty($parent_ip) || empty($parent_sn)) {
+					$input_errors[] = gettext("You can not use a IPv4 Gateway Address on a IPv6 only interface.");
+				} else {
 					$subnet = gen_subnetv6($parent_ip, $parent_sn) . "/" . $parent_sn;
 					if(!ip_in_subnet($_POST['gateway'], $subnet))
 						$input_errors[] = sprintf(gettext("The gateway address %1\$s does not lie within the chosen interface's subnet '%2\$s'."), $_POST['gateway'],$subnet);