RFCOMM_MSC_PENDING
if (test_and_clear_bit(RFCOMM_MSC_PENDING, &d->flags))
set_bit(RFCOMM_MSC_PENDING, &d->flags);
set_bit(RFCOMM_MSC_PENDING, &d->flags);
if (!test_and_set_bit(RFCOMM_MSC_PENDING, &d->flags))