From 533a475acab1d92a9390120c36e2bc6a99dc6941 Mon Sep 17 00:00:00 2001
From: zhaoertao <zhaoertao@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Tue, 21 Feb 2012 03:09:35 +0000
Subject: [PATCH] fix bug 3489503, ipv6 in network table will bring abnormal
 error for 'rspconfig cmm initnetwork=*'

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@11647 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 perl-xCAT/xCAT/NetworkUtils.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/perl-xCAT/xCAT/NetworkUtils.pm b/perl-xCAT/xCAT/NetworkUtils.pm
index b5fb6c9f4..f8ba36b9e 100755
--- a/perl-xCAT/xCAT/NetworkUtils.pm
+++ b/perl-xCAT/xCAT/NetworkUtils.pm
@@ -377,7 +377,7 @@ sub ishostinsubnet {
     $ip = getipaddr($ip,GetNumber=>1);
     $subnet = getipaddr($subnet,GetNumber=>1);
     $ip &= $mask;
-    if ($ip == $subnet) {
+    if ($ip && $subnet && ($ip == $subnet)) {
         return 1;
     } else {
         return 0;