From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755062Ab3CFEJz (ORCPT ); Tue, 5 Mar 2013 23:09:55 -0500 Received: from szxga01-in.huawei.com ([119.145.14.64]:59517 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750961Ab3CFEJy (ORCPT ); Tue, 5 Mar 2013 23:09:54 -0500 Message-ID: <5136C106.40308@huawei.com> Date: Wed, 6 Mar 2013 12:07:34 +0800 From: "zhangwei(Jovi)" User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: "linux-kernel@vger.kernel.org" , Greg Kroah-Hartman , Jiri Slaby Subject: [PATCH] sysrq: allow user trigger sysrq by upper-case character key Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.66.58.241] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org See the help text output of /proc/sysrq-trigger: SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E) memory-full-oom-kill(F) kill-all-tasks(I) ... Most command is referenced by responding upper-case character, this would hint user can trigger sysrq by upper-case character key, but that's wrong, sysrq only accept lower-case character currently. It's reasonable to let user trigger sysrq by upper-case character key. Signed-off-by: zhnagwei(Jovi) --- drivers/tty/sysrq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index 3687f0c..a88908e 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -471,6 +471,8 @@ static int sysrq_key_table_key2index(int key) retval = key - '0'; else if ((key >= 'a') && (key <= 'z')) retval = key + 10 - 'a'; + else if ((key >= 'A') && (key <= 'Z')) + retval = key + 10 - 'A'; else retval = -1; return retval; -- 1.7.9.7