From: Peter Hurley <peter@hurleysoftware.com>
Date: Sat, 15 Jun 2013 13:36:15 +0000 (-0400)
Subject: tty: Fix unsafe vt paste_selection()
X-Git-Tag: v3.12-rc1~182^2~183
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a7c8d58c79853adeebf0a1ddc9c63e433b4d97f1;p=pandora-kernel.git

tty: Fix unsafe vt paste_selection()

Convert the tty_buffer_flush() exclusion mechanism to a
public interface - tty_buffer_lock/unlock_exclusive() - and use
the interface to safely write the paste selection to the line
discipline.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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