__ip6_append_data 1687 net/ipv6/ip6_output.c return __ip6_append_data(sk, fl6, &sk->sk_write_queue, &inet->cork.base, __ip6_append_data 1874 net/ipv6/ip6_output.c err = __ip6_append_data(sk, fl6, &queue, &cork->base, &v6_cork,