From 3c18be1086ec00cc038d2933d299538e8f8355bb Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Mon, 25 Jul 2022 09:31:35 +0200
Subject: [PATCH] interfaces: fix two warnings

---
 src/etc/inc/interfaces.inc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/etc/inc/interfaces.inc b/src/etc/inc/interfaces.inc
index a9f5d056c..464f4d571 100644
--- a/src/etc/inc/interfaces.inc
+++ b/src/etc/inc/interfaces.inc
@@ -559,6 +559,8 @@ function interfaces_gre_configure($device)
 
 function _interfaces_gre_configure($gre)
 {
+    global $config;
+
     /*
      * The model used by GRE stuffs the alias IP into 'if' and we have
      * no way of directly seeing the interface (handled slightly better
@@ -2758,6 +2760,7 @@ function interface_dhcpv6_prepare($interface, $wancfg, $cleanup = false)
     $wanif = get_real_interface($interface, 'inet6');
     $id = interface_dhcpv6_id($interface);
     $syscfg = config_read_array('system');
+    $dhcp6_debug = $syscfg['dhcp6_debug'] ?? '';
 
     if (!empty($wancfg['adv_dhcp6_config_file_override'])) {
         $dhcp6cfile = $wancfg['adv_dhcp6_config_file_override_path'];
@@ -2781,7 +2784,7 @@ function interface_dhcpv6_prepare($interface, $wancfg, $cleanup = false)
 
     $dhcp6cscript = <<<EOF
 #!/bin/sh
-if [ -n "{$syscfg['dhcp6_debug']}" ]; then
+if [ -n "{$dhcp6_debug}" ]; then
     /usr/bin/logger -t dhcp6c "dhcp6c \$REASON on {$wanif}"
 fi
 case \$REASON in