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From: Johan Hovold <johan@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.com>
Cc: linux-kernel@vger.kernel.org, Johan Hovold <johan@kernel.org>
Subject: [PATCH 2/3] tty: drop obsolete termios_locked comments
Date: Thu, 30 Mar 2017 15:39:35 +0200	[thread overview]
Message-ID: <20170330133936.17907-3-johan@kernel.org> (raw)
In-Reply-To: <20170330133936.17907-1-johan@kernel.org>

Drop comments about tty-driver termios_locked structures, which have
been outdated since commit fe6e29fdb1a7 ("tty: simplify ktermios
allocation").

Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/tty/tty_io.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 8e9651579d50..5f834dcb0b15 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1520,7 +1520,7 @@ struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx)
 	 * This code guarantees that either everything succeeds and the
 	 * TTY is ready for operation, or else the table slots are vacated
 	 * and the allocated memory released.  (Except that the termios
-	 * and locked termios may be retained.)
+	 * may be retained.)
 	 */
 
 	if (!try_module_get(driver->owner))
@@ -3441,11 +3441,6 @@ static void destruct_tty_driver(struct kref *kref)
 	struct ktermios *tp;
 
 	if (driver->flags & TTY_DRIVER_INSTALLED) {
-		/*
-		 * Free the termios and termios_locked structures because
-		 * we don't want to get memory leaks when modular tty
-		 * drivers are removed from the kernel.
-		 */
 		for (i = 0; i < driver->num; i++) {
 			tp = driver->termios[i];
 			if (tp) {
-- 
2.12.2

  parent reply	other threads:[~2017-03-30 13:40 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-30 13:39 [PATCH 0/3] tty: close registration race and add termios reset feature Johan Hovold
2017-03-30 13:39 ` [PATCH 1/3] tty: close race between device register and open Johan Hovold
2017-03-30 13:39 ` Johan Hovold [this message]
2017-03-30 13:39 ` [PATCH 3/3] tty: reset termios state on device registration Johan Hovold
2017-03-31 12:58 ` [PATCH 0/3] tty: close registration race and add termios reset feature Greg Kroah-Hartman

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