tree 0c949737a7744541f91ed7131fc38d6ffdd897f3
parent ed9891bf093638fad29f89c10b536550d29b129d
author Peter Hurley <peter@hurleysoftware.com> 1402924618 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1405033519 -0700

tty: Document locking for tty driver methods

The tty core calls the tty driver's open, close and hangup
methods holding the tty lock.

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