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
2011-06-27 08:52:56 +00:00 · 2011-06-27 08:52:56 +00:00 · 1d6f346366
commit 1d6f346366
parent 54fde0ff08
1 changed files with 4 additions and 0 deletions
--- 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 ($addr !~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)
    {