linux-kernel - Re: [PATCH] drm: bridge: convert sysfs sprintf/snprintf family to sysfs

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Date:   Thu, 25 Mar 2021 17:31:26 +0100
From:   Robert Foss <robert.foss@...aro.org>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm: bridge: convert sysfs sprintf/snprintf family to sysfs_emit

Pushed to drm-misc-next

https://cgit.freedesktop.org/drm/drm-misc/commit/?id=fffa69aa6b1c89853cd00dea969e4754633596d7

On Sun, 7 Feb 2021 at 10:12, Jiapeng Chong
<jiapeng.chong@...ux.alibaba.com> wrote:
>
> Fix the following coccicheck warning:
>
> drivers/gpu/drm/bridge/lontium-lt9611uxc.c:858:8-16: WARNING: use
> scnprintf or sprintf.
>
> Reported-by: Abaci Robot<abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> ---
>  drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> index fee2795..3cac16d 100644
> --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> @@ -855,7 +855,7 @@ static ssize_t lt9611uxc_firmware_show(struct device *dev, struct device_attribu
>  {
>         struct lt9611uxc *lt9611uxc = dev_get_drvdata(dev);
>
> -       return snprintf(buf, PAGE_SIZE, "%02x\n", lt9611uxc->fw_version);
> +       return sysfs_emit(buf, "%02x\n", lt9611uxc->fw_version);
>  }
>
>  static DEVICE_ATTR_RW(lt9611uxc_firmware);
> --
> 1.8.3.1
>