we should perform these things as same as usb_host_close.
Signed-off-by: Nlinzhecheng <linzhecheng@huawei.com>
Message-id: 20181130064700.5984-1-linzhecheng@huawei.com

[ kraxel: whitespace fixup ]
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>