tree 95fc2097e45cdb076684bf11ad5be34ef769a618
parent 45a7bd635930baa960b6817674c64bdfb8f39570
author Petr Písař <petr.pisar@atlas.cz> 1391716883 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1392318720 -0800

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>