tree 328d40837fb13c7856d3aae2be663093fa6278e0
parent 47aa658a015440906def231f54685c4d5d49dc38
author Peter Hurley <peter@hurleysoftware.com> 1371303375 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1374623230 -0700

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>