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tty: Reset itty for other pty

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Commit 19ffd68f81
('pty: Remove redundant itty reset') introduced a regression
whereby the other pty's linkage is not cleared on teardown.
This triggers a false positive diagnostic in testing.

Properly reset the itty linkage.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Cc: stable <stable@vger.kernel.org> # 3.10
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2013-06-15 09:01:00 -04:00 committed by Greg Kroah-Hartman
parent 7879a9f9fd
commit 64e377dcd7
1 changed files with 2 additions and 0 deletions
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2
drivers/tty/tty_io.c
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@ -1618,6 +1618,8 @@ static void release_tty(struct tty_struct *tty, int idx)
tty_free_termios(tty);
tty_driver_remove_tty(tty->driver, tty);
tty->port->itty = NULL;
if (tty->link)
tty->link->port->itty = NULL;
cancel_work_sync(&tty->port->buf.work);
if (tty->link)