7953 				   struct net_device *new_dev,  in netdev_adjacent_change_prepare()  argument
7963 	if (!new_dev)  in netdev_adjacent_change_prepare()
7966 	if (old_dev && new_dev != old_dev)  in netdev_adjacent_change_prepare()
7968 	err = __netdev_upper_dev_link(new_dev, dev, false, NULL, NULL, &priv,  in netdev_adjacent_change_prepare()
7971 		if (old_dev && new_dev != old_dev)  in netdev_adjacent_change_prepare()
7981 				   struct net_device *new_dev,  in netdev_adjacent_change_commit()  argument
7989 	if (!new_dev || !old_dev)  in netdev_adjacent_change_commit()
7992 	if (new_dev == old_dev)  in netdev_adjacent_change_commit()
8001 				  struct net_device *new_dev,  in netdev_adjacent_change_abort()  argument
8009 	if (!new_dev)  in netdev_adjacent_change_abort()
8012 	if (old_dev && new_dev != old_dev)  in netdev_adjacent_change_abort()
8015 	__netdev_upper_dev_unlink(new_dev, dev, &priv);  in netdev_adjacent_change_abort()