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
2008-10-31 19:17:40 +00:00 · 2008-10-31 19:17:40 +00:00 · bd30724e82
commit bd30724e82
parent c5eb054b91
1 changed files with 7 additions and 2 deletions
--- 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");