updev 4257 include/linux/netdevice.h #define netdev_for_each_upper_dev_rcu(dev, updev, iter) \ updev 4259 include/linux/netdevice.h updev = netdev_upper_get_next_dev_rcu(dev, &(iter)); \ updev 4260 include/linux/netdevice.h updev; \ updev 4261 include/linux/netdevice.h updev = netdev_upper_get_next_dev_rcu(dev, &(iter)))