From 61f1fd37f97192b80a6e648b7c4ebdc209403822 Mon Sep 17 00:00:00 2001
From: XuWei <xwbj@cn.ibm.com>
Date: Thu, 13 Apr 2017 01:36:43 -0400
Subject: [PATCH] fix issue 2710, print usage when run renergy node without
 option

---
 xCAT-server/lib/xcat/plugins/energy.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xCAT-server/lib/xcat/plugins/energy.pm b/xCAT-server/lib/xcat/plugins/energy.pm
index 916cf0263..e889d33ea 100644
--- a/xCAT-server/lib/xcat/plugins/energy.pm
+++ b/xCAT-server/lib/xcat/plugins/energy.pm
@@ -151,6 +151,8 @@ sub parse_args {
         if ($::VERBOSE) {
             $opt->{verbose} = 1;
         }
+    } else {
+        return (1, &usage());
     }
 
     # if the request has node range