From: Dmitry Torokhov <dtor@insightbb.com>
Date: Fri, 29 Jun 2007 05:06:35 +0000 (-0400)
Subject: Input: serio - take drv_mutex in serio_cleanup()
X-Git-Tag: v2.6.22~23^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33143ea1a34d12699e6aa222ba124498abcfe4d1;p=pandora-kernel.git

Input: serio - take drv_mutex in serio_cleanup()

We need to take serio->drv_mutex in serio_cleanup() to prevent the
function from being called while driver is in the middle of attaching
to a serio port. Such situation can happen with i8042 and atkbd drivers
if user rapidly presses Ctrl-Alt-Del during system startup, and leads
to kernel oops.

Reported-by: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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