From 28f194da4a2c4d431552025a4386edaffab181bd Mon Sep 17 00:00:00 2001
From: Jiri Slaby
Date: Tue, 14 Sep 2021 11:11:22 +0200
Subject: tty: make tty_ldisc_ops::hangup return void

The documentation says that the return value of tty_ldisc_ops::hangup
hook is ignored. And it really is, so there is no point for its return
type to be int. Switch it to void and all the hooks too.

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210914091134.17426-4-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 sound/soc/codecs/cx20442.c | 3 +--
 sound/soc/ti/ams-delta.c   | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

(limited to 'sound/soc')

diff --git a/sound/soc/codecs/cx20442.c b/sound/soc/codecs/cx20442.c
index 13258f3ca9aa..1af0bf5f1e2f 100644
--- a/sound/soc/codecs/cx20442.c
+++ b/sound/soc/codecs/cx20442.c
@@ -252,10 +252,9 @@ static void v253_close(struct tty_struct *tty)
 }
 
 /* Line discipline .hangup() */
-static int v253_hangup(struct tty_struct *tty)
+static void v253_hangup(struct tty_struct *tty)
 {
 	v253_close(tty);
-	return 0;
 }
 
 /* Line discipline .receive_buf() */
diff --git a/sound/soc/ti/ams-delta.c b/sound/soc/ti/ams-delta.c
index ecd24d412a9b..b1a32545babd 100644
--- a/sound/soc/ti/ams-delta.c
+++ b/sound/soc/ti/ams-delta.c
@@ -330,10 +330,9 @@ static void cx81801_close(struct tty_struct *tty)
 }
 
 /* Line discipline .hangup() */
-static int cx81801_hangup(struct tty_struct *tty)
+static void cx81801_hangup(struct tty_struct *tty)
 {
 	cx81801_close(tty);
-	return 0;
 }
 
 /* Line discipline .receive_buf() */
-- 
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