Use kobj_to_dev() instead of container_of()

Generated by: scripts/coccinelle/api/kobj_to_dev.cocci
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20210607122722.36736-1-yuehaibing@huawei.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>