Function device_is_attached

freebsd/kern/subr_bus.c:2709–2713

* @brief Return non-zero if the device currently has a driver * attached to it */

 * attached to it
 */
int
device_is_attached(device_t dev)
{
	return (dev->state >= DS_ATTACHED);
}

/**
 * @brief Return non-zero if the device is currently suspended.