XEN_NETIF_EXTRA_TYPE_MCAST_DEL 863 drivers/net/xen-netback/netback.c if (extras[XEN_NETIF_EXTRA_TYPE_MCAST_DEL - 1].type) { XEN_NETIF_EXTRA_TYPE_MCAST_DEL 866 drivers/net/xen-netback/netback.c extra = &extras[XEN_NETIF_EXTRA_TYPE_MCAST_DEL - 1];