linux-kernel - Re: [PATCH 05/16] tty: remove file from tty_mode

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Message-ID: <20210915080537.mcndyf6oot4v6hew@pengutronix.de>
Date:   Wed, 15 Sep 2021 10:05:37 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Jiri Slaby <jslaby@...e.cz>
Cc:     gregkh@...uxfoundation.org, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Wolfgang Grandegger <wg@...ndegger.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Andreas Koensgen <ajk@...nets.uni-bremen.de>,
        Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH 05/16] tty: remove file from tty_mode_ioctl

On 14.09.2021 11:11:23, Jiri Slaby wrote:
> The only user of 'file' parameter in tty_mode_ioctl is a BUG_ON check.
> Provided it never crashed for anyone, it's an overkill to pass the
> parameter to tty_mode_ioctl only for this check.
>
> If we wanted to check 'file' there, we should handle it in more graceful
> way anyway. Not by a BUG == crash.
>
> Signed-off-by: Jiri Slaby <jslaby@...e.cz>
> Cc: Wolfgang Grandegger <wg@...ndegger.com>
> Cc: Marc Kleine-Budde <mkl@...gutronix.de>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: Andreas Koensgen <ajk@...nets.uni-bremen.de>
> Cc: Paul Mackerras <paulus@...ba.org>
> ---
>  drivers/net/can/slcan.c       | 2 +-

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

regards,
Marc

--
Pengutronix e.K.                 | Marc Kleine-Budde           |
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