From fa22dce74cf89e21e091bc5b0cfa3487404012a9 Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Tue, 13 Feb 2024 09:40:32 +0100
Subject: [PATCH] system: 'gateway' may be unset so set to impossible value
 (PHP warning)

---
 src/etc/inc/system.inc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/etc/inc/system.inc b/src/etc/inc/system.inc
index e5046bda8..8428fb72b 100644
--- a/src/etc/inc/system.inc
+++ b/src/etc/inc/system.inc
@@ -549,13 +549,13 @@ function system_host_route($host, $gateway)
 function system_interface_route($gw, $routes)
 {
     $interface = $gw['interface'];
-    $gateway = $gw['gateway'];
+    $gateway = $gw['gateway'] ?? 'missing';
     $far = isset($gw['fargw']);
     $device = $gw['if'];
     $family = 'inet';
 
     if (!is_ipaddrv4($gateway)) {
-        log_msg("ROUTING: not a valid interface gateway address: '{$gateway}'", LOG_ERR);
+        log_msg("ROUTING: not a valid {$interface} interface gateway address: '{$gateway}'", LOG_ERR);
         return;
     }