From: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Date: Wed, 18 Nov 2009 08:40:48 +0000 (-0800)
Subject: Input: keyboard - fix theoretical race on vt switch
X-Git-Tag: v2.6.33-rc1~337^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c09b2ac35ff7c5f280e5cf8142ad0822f1c93b3;p=pandora-kernel.git

Input: keyboard - fix theoretical race on vt switch

A VT switch can theoretically change fg_console between

        vc = vc_cons[fg_console].d
and
        kbd = kbd_table + fg_console

Fix it by replacing the second fg_console with vc->vc_num.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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