linux-kernel - Re: [PATCH v2 3/4] s390/scm: Make struct scm

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Date:   Tue, 06 Jul 2021 18:05:27 +0200
From:   Cornelia Huck <cohuck@...hat.com>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     kernel@...gutronix.de, Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Vineeth Vijayan <vneethv@...ux.ibm.com>,
        Peter Oberparleiter <oberpar@...ux.ibm.com>,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/4] s390/scm: Make struct scm_driver::remove return
 void

On Tue, Jul 06 2021, Uwe Kleine-König <u.kleine-koenig@...gutronix.de> wrote:

> The driver core ignores the return value of scmdev_remove()
> (because there is only little it can do when a device disappears).
>
> So make it impossible for future drivers to return an unused error code
> by changing the remove prototype to return void.
>
> The real motivation for this change is the quest to make struct
> bus_type::remove return void, too.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> ---
>  arch/s390/include/asm/eadm.h | 2 +-
>  drivers/s390/block/scm_drv.c | 4 +---
>  drivers/s390/cio/scm.c       | 5 ++++-
>  3 files changed, 6 insertions(+), 5 deletions(-)

Reviewed-by: Cornelia Huck <cohuck@...hat.com>