[Xen-changelog] [xen-unstable] Show the usage message if invalid arguments are given to xm sysrq.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Ewan Mellor <ewan@xxxxxxxxxxxxx>
# Node ID 25ece14b6234eda0e32ef0105654ed82380cbafa
# Parent  3e31c5e160cfd01493e3e89256c733dda7efc922
Show the usage message if invalid arguments are given to xm sysrq.

Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>
---
 tools/python/xen/xm/sysrq.py |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff -r 3e31c5e160cf -r 25ece14b6234 tools/python/xen/xm/sysrq.py
--- a/tools/python/xen/xm/sysrq.py      Wed Sep 13 15:59:14 2006 +0100
+++ b/tools/python/xen/xm/sysrq.py      Thu Sep 14 07:55:27 2006 +0100
@@ -24,8 +24,9 @@ def main(argv):
         return
         
     # no options for the moment
-    if len(args) < 1: opts.err('Missing domain')
-    if len(args) < 2: opts.err('Missing sysrq character')
+    if len(args) != 2:
+        opts.usage()
+        sys.exit(1)
     dom = args[0]
     req = ord(args[1][0])
     server.xend.domain.send_sysrq(dom, req)

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