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Message-ID: <20200804084041.GB1958244@T590>
Date:   Tue, 4 Aug 2020 16:40:41 +0800
From:   Ming Lei <ming.lei@...hat.com>
To:     Wang Qing <wangqing@...o.com>
Cc:     "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Jens Axboe <axboe@...nel.dk>,
        virtualization@...ts.linux-foundation.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers\block: Use kobj_to_dev() API

On Fri, Jun 12, 2020 at 03:10:56PM +0800, Wang Qing wrote:
> Use kobj_to_dev() API instead of container_of().
> 
> Signed-off-by: Wang Qing <wangqing@...o.com>
> ---
>  drivers/block/virtio_blk.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>  mode change 100644 => 100755 drivers/block/virtio_blk.c
> 
> diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
> index 9d21bf0..c808405
> --- a/drivers/block/virtio_blk.c
> +++ b/drivers/block/virtio_blk.c
> @@ -630,7 +630,7 @@ static struct attribute *virtblk_attrs[] = {
>  static umode_t virtblk_attrs_are_visible(struct kobject *kobj,
>  		struct attribute *a, int n)
>  {
> -	struct device *dev = container_of(kobj, struct device, kobj);
> +	struct device *dev = kobj_to_dev(kobj);
>  	struct gendisk *disk = dev_to_disk(dev);
>  	struct virtio_blk *vblk = disk->private_data;
>  	struct virtio_device *vdev = vblk->vdev;
> -- 
> 2.7.4
> 

Reviewed-by: Ming Lei <ming.lei@...hat.com>

-- 
Ming

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