From bd30724e8215f5fb997b160ace444ba6b541f036 Mon Sep 17 00:00:00 2001
From: lissav <lissav@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Fri, 31 Oct 2008 19:17:40 +0000
Subject: [PATCH]  add check for no input to nodestat

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@2443 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 xCAT-server/lib/xcat/plugins/nodestat.pm | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/xCAT-server/lib/xcat/plugins/nodestat.pm b/xCAT-server/lib/xcat/plugins/nodestat.pm
index c42ec3ed8..94017910d 100644
--- a/xCAT-server/lib/xcat/plugins/nodestat.pm
+++ b/xCAT-server/lib/xcat/plugins/nodestat.pm
@@ -96,9 +96,14 @@ sub preprocess_request
     }
     else
     {    # non node options like -h 
-         my $args=$req->{arg};  
          @ARGV=();
-         @ARGV=@{$args};
+         my $args=$req->{arg};  
+         if ($args) {
+           @ARGV = @{$args};
+         } else {
+            &usage($cb);
+            return(1);
+         }
          # parse the options
           Getopt::Long::Configure("posix_default");
           Getopt::Long::Configure("no_gnu_compat");