[Xen-devel] [PATCH] Fix parameter check of xm dmesg

[Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>]

Hi,

I found a small bug in xm dmesg command.  Even if I gave xm dmesg 
command a wrong parameter, xm dmesg command did not become an error.

# xm dmesg xyz
 __  __            _____  ___                     _        _     _      
 \ \/ /___ _ __   |___ / / _ \    _   _ _ __  ___| |_ __ _| |__ | | ___ 
  \  // _ \ '_ \    |_ \| | | |__| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
  /  \  __/ | | |  ___) | |_| |__| |_| | | | \__ \ || (_| | |_) | |  __/
 /_/\_\___|_| |_| |____(_)___/    \__,_|_| |_|___/\__\__,_|_.__/|_|\___|
                                                                        
 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer Laboratory

 Xen version 3.0-unstable (root@) () Tue Oct 31 11:06:09 JST 2006
 Latest ChangeSet: Mon Oct 30 17:35:11 2006 +0000 12033:b21246720fde

(XEN) Command line: /xen-3.0-unstable.gz
(XEN) Physical RAM map:
<snip>


This patch adds a checking of wrong parameter into xm dmesg command.
If wrong parameter is given, xm dmesg command shows the following 
error messages.

# xm dmesg xyz
Error: No parameter required
Usage: xm dmesg [-c|--clear]

Read and/or clear Xend's message buffer.
  -c, --clear                    Clear dmesg buffer 


Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>

Best regards,
 Kan

Attachment: dmesg.patch
Description: Binary data

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