do_ipv6_getsockopt 1397 net/ipv6/ipv6_sockglue.c 	err = do_ipv6_getsockopt(sk, level, optname, optval, optlen, 0);
do_ipv6_getsockopt 1435 net/ipv6/ipv6_sockglue.c 	err = do_ipv6_getsockopt(sk, level, optname, optval, optlen,