giveback_urb_bh
struct giveback_urb_bh *bh =
container_of(work, struct giveback_urb_bh, bh);
struct giveback_urb_bh *bh;
static void init_giveback_urb_bh(struct giveback_urb_bh *bh)
struct giveback_urb_bh high_prio_bh;
struct giveback_urb_bh low_prio_bh;