linux-kernel - Re: [PATCH] HID: wacom: convert sysfs sprintf/snprintf family to sysfs

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Date:   Fri, 5 Feb 2021 10:17:47 +0100 (CET)
From:   Jiri Kosina <jikos@...nel.org>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
cc:     benjamin.tissoires@...hat.com, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: wacom: convert sysfs sprintf/snprintf family to
 sysfs_emit

On Tue, 2 Feb 2021, Jiapeng Chong wrote:

> Fix the following coccicheck warning:
> 
> ./drivers/hid/wacom_sys.c:1828:8-16: WARNING: use scnprintf or sprintf.
> 
> Reported-by: Abaci Robot<abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> ---
>  drivers/hid/wacom_sys.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
> index aa9e488..8328ef1 100644
> --- a/drivers/hid/wacom_sys.c
> +++ b/drivers/hid/wacom_sys.c
> @@ -1825,7 +1825,7 @@ static ssize_t wacom_show_speed(struct device *dev,
>  	struct hid_device *hdev = to_hid_device(dev);
>  	struct wacom *wacom = hid_get_drvdata(hdev);
>  
> -	return snprintf(buf, PAGE_SIZE, "%i\n", wacom->wacom_wac.bt_high_speed);
> +	return sysfs_emit(buf, "%i\n", wacom->wacom_wac.bt_high_speed);
>  }

Applied, thanks.

-- 
Jiri Kosina
SUSE Labs