From 32753450ae3c87fe3e2438b68d0e389c68e450da Mon Sep 17 00:00:00 2001
From: daniceexi <wxp@cn.ibm.com>
Date: Mon, 2 Mar 2015 21:30:51 -0500
Subject: [PATCH] defect 4580: a minor change for the syntax

---
 xCAT-server/lib/xcat/plugins/debian.pm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/xCAT-server/lib/xcat/plugins/debian.pm b/xCAT-server/lib/xcat/plugins/debian.pm
index efeced646..3a8a8fce1 100755
--- a/xCAT-server/lib/xcat/plugins/debian.pm
+++ b/xCAT-server/lib/xcat/plugins/debian.pm
@@ -841,7 +841,10 @@ sub mkinstall
             }
 
             # parse Mac table to get one mac address in case there are multiples.
-            $mac = xCAT::Utils->parseMacTabEntry($macent->{mac},$node);
+            my $mac;
+            if ($macent->{mac}) {
+                $mac = xCAT::Utils->parseMacTabEntry($macent->{mac},$node);
+            }
 
             my $net_params = xCAT::NetworkUtils->gen_net_boot_params($ent->{installnic},$ent->{primarynic},$mac);
             if (exists($net_params->{nicname})) {