From 37ef1ce1bc8b880f9fe2f9b2c43fb314d4fdba63 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Fabian=20Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>
Date: Wed, 20 Apr 2016 09:54:39 +0200
Subject: [PATCH] fix #945: add uninitialized check in lxc ipset compilation

---
 src/PVE/Firewall.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/PVE/Firewall.pm b/src/PVE/Firewall.pm
index 7d021ed..4c1586a 100644
--- a/src/PVE/Firewall.pm
+++ b/src/PVE/Firewall.pm
@@ -3523,10 +3523,10 @@ sub compile_ipsets {
 		    { cidr => $linklocal },
 		    { cidr => 'fe80::/10', nomatch => 1 }
 		];
-		if ($net->{ip} =~ m!^($IPV4RE)(?:/\d+)?$!) {
+		if (defined($net->{ip}) && $net->{ip} =~ m!^($IPV4RE)(?:/\d+)?$!) {
 		    push @$set, { cidr => $1 };
 		}
-		if ($net->{ip6} =~ m!^($IPV6RE)(?:/\d+)?$!) {
+		if (defined($net->{ip6}) && $net->{ip6} =~ m!^($IPV6RE)(?:/\d+)?$!) {
 		    push @$set, { cidr => $1 };
 		}
 	    }
-- 
2.39.2