linux-kernel - Re: [PATCH] s390: replace snprintf in show functions with sysfs

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Message-ID: <YW1Q93cGfKxbS6Iy@osiris>
Date:   Mon, 18 Oct 2021 12:48:23 +0200
From:   Heiko Carstens <hca@...ux.ibm.com>
To:     Qing Wang <wangqing@...o.com>
Cc:     Stefan Haberland <sth@...ux.ibm.com>,
        Jan Hoeppner <hoeppner@...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] s390: replace snprintf in show functions with sysfs_emit

On Thu, Oct 14, 2021 at 11:50:54PM -0700, Qing Wang wrote:
> show() must not use snprintf() when formatting the value to be
> returned to user space.
> 
> Fix the coccicheck warnings:
> WARNING: use scnprintf or sprintf.
> 
> Use sysfs_emit instead of scnprintf or sprintf makes more sense.
> 
> Signed-off-by: Qing Wang <wangqing@...o.com>
> ---
>  drivers/s390/block/dasd_devmap.c | 74 ++++++++++++++++++++--------------------
>  drivers/s390/char/raw3270.c      |  6 ++--
>  drivers/s390/cio/chp.c           |  2 +-
>  3 files changed, 41 insertions(+), 41 deletions(-)

This requires either Reviewed-by or Acked-by from dasd and cio
maintainers, which you already cc'ed.