Peter Hurley ed617e4423 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>

2014-07-10 16:05:19 -07:00

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