510 	struct device *victim;  in delete_store()  local
517 	victim = device_find_child_by_name(dax_region->dev, buf);  in delete_store()
518 	if (!victim)  in delete_store()
522 	device_lock(victim);  in delete_store()
523 	dev_dax = to_dev_dax(victim);  in delete_store()
524 	if (victim->driver || dev_dax_size(dev_dax))  in delete_store()
536 			if (dax_region->seed == victim)  in delete_store()
538 			if (dax_region->youngest == victim)  in delete_store()
543 	device_unlock(victim);  in delete_store()
547 		devm_release_action(dev, unregister_dev_dax, victim);  in delete_store()
549 	put_device(victim);  in delete_store()