From: Petr Písař <petr.pisar@atlas.cz>
Date: Thu, 6 Feb 2014 20:01:23 +0000 (+0100)
Subject: vt: Fix secure clear screen
X-Git-Tag: v3.14-rc3~11^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0930b0950a8996aa88b0d2ba4bb2bab27cc36bc7;p=pandora-kernel.git

vt: Fix secure clear screen

\E[3J console code (secure clear screen) needs to update_screen(vc)
in order to write-through blanks into off-screen video memory.

This has been removed accidentally in 3.6 by:

commit 81732c3b2fede049a692e58a7ceabb6d18ffb18c
Author: Jean-François Moine <moinejf@free.fr>
Date:   Thu Sep 6 19:24:13 2012 +0200

    tty vt: Fix line garbage in virtual console on command line edition

Signed-off-by: Petr Písař <petr.pisar@atlas.cz>
Cc: stable <stable@vger.kernel.org> # 3.6
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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