Function device_probe_and_attach

freebsd/kern/subr_bus.c:2895–2912

* @brief Probe a device and attach a driver if possible * * calls device_probe() and attaches if that was successful. */

 * calls device_probe() and attaches if that was successful.
 */
int
device_probe_and_attach(device_t dev)
{
	int error;

	GIANT_REQUIRED;

	error = device_probe(dev);
	if (error == -1)
		return (0);
	else if (error != 0)
		return (error);

	CURVNET_SET_QUIET(vnet0);
	error = device_attach(dev);
	CURVNET_RESTORE();
	return error;
}

/**
 * @brief Attach a device driver to a device