David Emett cf90c06f81 tty: fix read of tty->pgrp outside of ctrl_lock ...

The intention was clearly to use the tty_pgrp local variable rather than
re-read tty->pgrp outside of ctrl_lock, so do that.

This bug was introduced by commit 2812d9e9fd ("tty: Combine
SIGTTOU/SIGTTIN handling").

Signed-off-by: David Emett <dave@sp4m.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2019-03-28 01:28:23 +09:00

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