From 34604d5a71d7ce9959b6155ab0a84378a349babd Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Tue, 11 Oct 2016 17:59:53 +0200
Subject: [PATCH] dhcp: crash report and stray array_shift() for prefixes.php

---
 src/sbin/prefixes.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/sbin/prefixes.php b/src/sbin/prefixes.php
index 0eebf1d64..9952f5ee0 100644
--- a/src/sbin/prefixes.php
+++ b/src/sbin/prefixes.php
@@ -89,7 +89,8 @@ foreach ($clog as $line) {
 // echo "remove routes\n";
 if (count($expires) > 0) {
     foreach ($expires as $prefix) {
-        echo "/sbin/route delete -inet6 {$prefix['prefix']}\n";
-        array_shift($expires);
+        if (isset($prefix['prefix'])) {
+            echo "/sbin/route delete -inet6 {$prefix['prefix']}\n";
+        }
     }
 }