Function devclass_delete_device

freebsd/kern/subr_bus.c:1737–1755

* @internal * @brief Delete a device from a devclass * * The device is removed from the devclass's device list and its unit * number is freed. * @param dc the devclass to delete from * @param dev the device to delete * * @retval 0 success */

 * @retval 0		success
 */
static int
devclass_delete_device(devclass_t dc, device_t dev)
{
	if (!dc || !dev)
		return (0);

	PDEBUG(("%s in devclass %s", DEVICENAME(dev), DEVCLANAME(dc)));

	if (dev->devclass != dc || dc->devices[dev->unit] != dev)
		panic("devclass_delete_device: inconsistent device class");
	dc->devices[dev->unit] = NULL;
	if (dev->flags & DF_WILDCARD)
		dev->unit = -1;
	dev->devclass = NULL;
	free(dev->nameunit, M_BUS);
	dev->nameunit = NULL;

	return (0);
}

/**
 * @internal