From 7874e5fd061d2b9b2de723b900a2a5d0f65eca4c Mon Sep 17 00:00:00 2001
From: jbjohnso <jbjohnso@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Tue, 17 Feb 2009 20:40:37 +0000
Subject: [PATCH] -Guard against makehosts matching blank lines when  or  is
 messed up

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@2761 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 xCAT-server/lib/xcat/plugins/hosts.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xCAT-server/lib/xcat/plugins/hosts.pm b/xCAT-server/lib/xcat/plugins/hosts.pm
index 870e2ddf6..522aff783 100644
--- a/xCAT-server/lib/xcat/plugins/hosts.pm
+++ b/xCAT-server/lib/xcat/plugins/hosts.pm
@@ -22,6 +22,7 @@ sub handled_commands {
 sub addnode {
   my $node = shift;
   my $ip = shift;
+  unless ($node and $ip) { return; } #bail if requested to do something that could zap /etc/hosts badly
   my $othernames = shift;
   my $idx=0;
   my $foundone=0;