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SubjectRe: [PATCH 22/35] tty: make tty_operations::write_room return uint
On Wed, May 05, 2021 at 11:19:15AM +0200, Jiri Slaby wrote:
> Line disciplines expect a positive value or zero returned from
> tty->ops->write_room (invoked by tty_write_room). So make this
> assumption explicit by using unsigned int as a return value. Both of
> tty->ops->write_room and tty_write_room.
>
> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
> Cc: Richard Henderson <rth@twiddle.net>
> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
> Cc: Matt Turner <mattst88@gmail.com>
> Cc: Geert Uytterhoeven <geert@linux-m68k.org>
> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
> Cc: Helge Deller <deller@gmx.de>
> Cc: Jeff Dike <jdike@addtoit.com>
> Cc: Richard Weinberger <richard@nod.at>
> Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
> Cc: Chris Zankel <chris@zankel.net>
> Cc: Max Filippov <jcmvbkbc@gmail.com>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
> Cc: Jens Taprogge <jens.taprogge@taprogge.org>
> Cc: Karsten Keil <isdn@linux-pingi.de>
> Cc: Scott Branden <scott.branden@broadcom.com>
> Cc: Ulf Hansson <ulf.hansson@linaro.org>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: Heiko Carstens <hca@linux.ibm.com>
> Cc: Vasily Gorbik <gor@linux.ibm.com>
> Cc: Christian Borntraeger <borntraeger@de.ibm.com>
> Cc: David Lin <dtwlin@gmail.com>
> Cc: Johan Hovold <johan@kernel.org>
> Cc: Alex Elder <elder@kernel.org>
> Cc: Laurentiu Tudor <laurentiu.tudor@nxp.com>
> Cc: Jiri Kosina <jikos@kernel.org>
> Cc: David Sterba <dsterba@suse.com>
> Cc: Shawn Guo <shawnguo@kernel.org>
> Cc: Sascha Hauer <s.hauer@pengutronix.de>
> Cc: Oliver Neukum <oneukum@suse.com>
> Cc: Felipe Balbi <balbi@kernel.org>
> Cc: Mathias Nyman <mathias.nyman@intel.com>
> Cc: Marcel Holtmann <marcel@holtmann.org>
> Cc: Johan Hedberg <johan.hedberg@gmail.com>
> Cc: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
> ---
> drivers/tty/ipwireless/tty.c | 2 +-

Acked-by: David Sterba <dsterba@suse.com>

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