USSCANNER_MAX_TRANSFER_SIZE
error = usbd_create_xfer(sc->sc_out_pipe, USSCANNER_MAX_TRANSFER_SIZE,
error = usbd_create_xfer(sc->sc_in_pipe, USSCANNER_MAX_TRANSFER_SIZE,
error = usbd_create_xfer(sc->sc_out_pipe, USSCANNER_MAX_TRANSFER_SIZE,
if (bp->b_bcount > USSCANNER_MAX_TRANSFER_SIZE)
bp->b_bcount = USSCANNER_MAX_TRANSFER_SIZE;
if (xs->datalen > USSCANNER_MAX_TRANSFER_SIZE) {