From 40a74f4310d9aca623e950568f3f3c82b37afc10 Mon Sep 17 00:00:00 2001
From: lissav <lissav@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Tue, 30 Oct 2012 11:10:12 +0000
Subject: [PATCH] check if MN defined

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@14158 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 perl-xCAT/xCAT/Utils.pm | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/perl-xCAT/xCAT/Utils.pm b/perl-xCAT/xCAT/Utils.pm
index 1528881c5..4bc678c9c 100644
--- a/perl-xCAT/xCAT/Utils.pm
+++ b/perl-xCAT/xCAT/Utils.pm
@@ -2992,10 +2992,12 @@ sub noderangecontainsMn
    }
   }
  }
- if (grep(/$mname/, @noderange)) { # if MN in the noderange
-   return $mname;
- } else {
-   return ;
+ if ($mname) {  # if Management Node defined in the database
+   if (grep(/$mname/, @noderange)) { # if MN in the noderange
+     return $mname;
+    } else {
+     return ;
+   }
  }
 }