linux-kernel - [PATCH 1/4] tty: remove TTY_SOFT_SAK part from __do

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Date:   Thu, 18 Nov 2021 08:19:08 +0100
From:   Jiri Slaby <jslaby@...e.cz>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 1/4] tty: remove TTY_SOFT_SAK part from __do_SAK()

Remove the TTY_SOFT_SAK part. It is never defined, so this is only
confusing.

It was actually never defined since its introduction in
0.99.14g.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/tty/tty_io.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 6616d4a0d41d..829944dfaf48 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -3028,9 +3028,6 @@ static int this_tty(const void *t, struct file *file, unsigned fd)
  */
 void __do_SAK(struct tty_struct *tty)
 {
-#ifdef TTY_SOFT_SAK
-	tty_hangup(tty);
-#else
 	struct task_struct *g, *p;
 	struct pid *session;
 	int		i;
@@ -3074,7 +3071,6 @@ void __do_SAK(struct tty_struct *tty)
 	} while_each_thread(g, p);
 	read_unlock(&tasklist_lock);
 	put_pid(session);
-#endif
 }
 
 static void do_SAK_work(struct work_struct *work)
-- 
2.33.1