8269 				   struct net_device *new_dev,  in netdev_adjacent_change_prepare()  argument
8279 	if (!new_dev)  in netdev_adjacent_change_prepare()
8282 	if (old_dev && new_dev != old_dev)  in netdev_adjacent_change_prepare()
8284 	err = __netdev_upper_dev_link(new_dev, dev, false, NULL, NULL, &priv,  in netdev_adjacent_change_prepare()
8287 		if (old_dev && new_dev != old_dev)  in netdev_adjacent_change_prepare()
8297 				   struct net_device *new_dev,  in netdev_adjacent_change_commit()  argument
8305 	if (!new_dev || !old_dev)  in netdev_adjacent_change_commit()
8308 	if (new_dev == old_dev)  in netdev_adjacent_change_commit()
8317 				  struct net_device *new_dev,  in netdev_adjacent_change_abort()  argument
8325 	if (!new_dev)  in netdev_adjacent_change_abort()
8328 	if (old_dev && new_dev != old_dev)  in netdev_adjacent_change_abort()
8331 	__netdev_upper_dev_unlink(new_dev, dev, &priv);  in netdev_adjacent_change_abort()