Re: [PATCH v2] s390/cio: use kobj_to_dev() API

[Vasily Gorbik <gor@linux.ibm.com>]

On Fri, Feb 14, 2020 at 09:51:33PM +0800, qiwuchen55@gmail.com wrote:
> From: chenqiwu <chenqiwu@xiaomi.com>
> 
> Use kobj_to_dev() API instead of container_of().
> 
> Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
> Signed-off-by: chenqiwu <qiwuchen55@gmail.com>
> ---
> changes in v2:
>  - add signed off for my gmail adderss.
> --- 
>  drivers/s390/cio/chp.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
> index 51038ec..dfcbe54 100644
> --- a/drivers/s390/cio/chp.c
> +++ b/drivers/s390/cio/chp.c
> @@ -135,7 +135,7 @@ static ssize_t chp_measurement_chars_read(struct file *filp,
>  	struct channel_path *chp;
>  	struct device *device;
>  
> -	device = container_of(kobj, struct device, kobj);
> +	device = kobj_to_dev(kobj);
>  	chp = to_channelpath(device);
>  	if (chp->cmg == -1)
>  		return 0;
> @@ -184,7 +184,7 @@ static ssize_t chp_measurement_read(struct file *filp, struct kobject *kobj,
>  	struct device *device;
>  	unsigned int size;
>  
> -	device = container_of(kobj, struct device, kobj);
> +	device = kobj_to_dev(kobj);
>  	chp = to_channelpath(device);
>  	css = to_css(chp->dev.parent);
>  
> -- 
> 1.9.1
> 
Applied, thanks