linux-kernel - Re: [PATCH] drivers/video/backlight: Use kobj_to

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Message-ID: <20200615115936.37pwp7cgmhznnyo4@holly.lan>
Date:   Mon, 15 Jun 2020 12:59:36 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Wang Qing <wangqing@...o.com>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/video/backlight: Use kobj_to_dev() instead

On Mon, Jun 15, 2020 at 04:54:02PM +0800, Wang Qing wrote:
> Use kobj_to_dev() instead of container_of()
> 
> Signed-off-by: Wang Qing <wangqing@...o.com>

Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>

> ---
>  drivers/video/backlight/lm3533_bl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>  mode change 100644 => 100755 drivers/video/backlight/lm3533_bl.c
> 
> diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c
> index ee09d1b..0c7830f
> --- a/drivers/video/backlight/lm3533_bl.c
> +++ b/drivers/video/backlight/lm3533_bl.c
> @@ -235,7 +235,7 @@ static struct attribute *lm3533_bl_attributes[] = {
>  static umode_t lm3533_bl_attr_is_visible(struct kobject *kobj,
>  					     struct attribute *attr, int n)
>  {
> -	struct device *dev = container_of(kobj, struct device, kobj);
> +	struct device *dev = kobj_to_dev(kobj);
>  	struct lm3533_bl *bl = dev_get_drvdata(dev);
>  	umode_t mode = attr->mode;
>  
> -- 
> 2.7.4
>