Use kobj_to_dev() API instead of container_of(). Signed-off-by: Wang Qing <wangqing@xxxxxxxx> --- drivers/block/virtio_blk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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