linux-kernel - [PATCH v3 19/23] tty: Fix 'deferred reopen' ldisc comment

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Message-Id: <1360095638-6624-20-git-send-email-peter@hurleysoftware.com>
Date:	Tue,  5 Feb 2013 15:20:34 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alan Cox <alan@...ux.intel.com>, Jiri Slaby <jslaby@...e.cz>,
	Sasha Levin <levinsasha928@...il.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	Ilya Zykov <ilya@...x.ru>, Dave Jones <davej@...hat.com>,
	Peter Hurley <peter@...leysoftware.com>
Subject: [PATCH v3 19/23] tty: Fix 'deferred reopen' ldisc comment

This comment is a victim of code migration from
"tty: Fix the ldisc hangup race"; re-parent it.

Signed-off-by: Peter Hurley <peter@...leysoftware.com>
---
 drivers/tty/tty_ldisc.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index f3cbfb3..d7ebe79 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -875,11 +875,12 @@ void tty_ldisc_hangup(struct tty_struct *tty)
 	 */
 	mutex_lock(&tty->ldisc_mutex);
 
-	/* At this point we have a closed ldisc and we want to
-	   reopen it. We could defer this to the next open but
-	   it means auditing a lot of other paths so this is
-	   a FIXME */
 	if (tty_ldisc_hangup_halt(tty) && !test_bit(TTY_CLOSING, &tty->flags)) {
+
+		/* At this point we have a halted ldisc; we want to close it and
+		   reopen a new ldisc. We could defer the reopen to the next
+		   open but it means auditing a lot of other paths so this is
+		   a FIXME */
 		if (reset == 0) {
 
 			if (!tty_ldisc_reinit(tty, tty->termios.c_line))
-- 
1.8.1.2

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