On 14.09.2021 11:11:22, Jiri Slaby wrote:
> 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.
> 
> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
> 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>
> ---
>  Documentation/driver-api/serial/tty.rst | 2 +-
>  drivers/input/serio/serport.c           | 3 +--
>  drivers/net/can/slcan.c                 | 3 +--

For the slcan.c:
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>

Marc

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