linux-kernel - [PATCH v4 10/32] tty: Wait for SAK work before waiting for hangup work

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Date:	Wed, 20 Feb 2013 15:02:57 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>
Cc:	Sasha Levin <levinsasha928@...il.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	Ilya Zykov <ilya@...x.ru>, Dave Jones <davej@...hat.com>,
	Michael Ellerman <michael@...erman.id.au>,
	Shawn Guo <shawn.guo@...aro.org>,
	Peter Hurley <peter@...leysoftware.com>
Subject: [PATCH v4 10/32] tty: Wait for SAK work before waiting for hangup work

SAK work may schedule hangup work (if TTY_SOFT_SAK is defined), thus
SAK work must be flushed before hangup work.

Signed-off-by: Peter Hurley <peter@...leysoftware.com>
---
 drivers/tty/tty_ldisc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 7712091..37671fcc 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -506,8 +506,8 @@ static void tty_ldisc_restore(struct tty_struct *tty, struct tty_ldisc *old)
  */
 static void tty_ldisc_flush_works(struct tty_struct *tty)
 {
-	flush_work(&tty->hangup_work);
 	flush_work(&tty->SAK_work);
+	flush_work(&tty->hangup_work);
 	flush_work(&tty->port->buf.work);
 }
 
-- 
1.8.1.2

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