BTUSB_BULK_RUNNING
if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
set_bit(BTUSB_BULK_RUNNING, &data->flags);
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
clear_bit(BTUSB_BULK_RUNNING, &data->flags);