429 	struct device *victim;  in delete_store()  local
436 	victim = device_find_child_by_name(dax_region->dev, buf);  in delete_store()
437 	if (!victim)  in delete_store()
441 	device_lock(victim);  in delete_store()
442 	dev_dax = to_dev_dax(victim);  in delete_store()
443 	if (victim->driver || dev_dax_size(dev_dax))  in delete_store()
455 			if (dax_region->seed == victim)  in delete_store()
457 			if (dax_region->youngest == victim)  in delete_store()
462 	device_unlock(victim);  in delete_store()
466 		devm_release_action(dev, unregister_dev_dax, victim);  in delete_store()
468 	put_device(victim);  in delete_store()