From 1d6f34636608c8ee1c4f9a623004da2e02122403 Mon Sep 17 00:00:00 2001
From: yinle <yinle@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Mon, 27 Jun 2011 08:52:56 +0000
Subject: [PATCH] add check in getNodeIPaddress, return 0 if the input node is
 undef.

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@9947 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 perl-xCAT/xCAT/Utils.pm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/perl-xCAT/xCAT/Utils.pm b/perl-xCAT/xCAT/Utils.pm
index 92ede9bad..13eedd642 100644
--- a/perl-xCAT/xCAT/Utils.pm
+++ b/perl-xCAT/xCAT/Utils.pm
@@ -5729,6 +5729,10 @@ sub isIpaddr
         $addr = shift;
     }
 
+    unless ( $addr )
+    {
+        return 0;
+    }
     #print "addr=$addr\n";
     if ($addr !~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)
     {