NFSD_A_SERVER_SOCK_ADDR
static const struct nla_policy nfsd_listener_set_nl_policy[NFSD_A_SERVER_SOCK_ADDR + 1] = {
[NFSD_A_SERVER_SOCK_ADDR] = NLA_POLICY_NESTED(nfsd_sock_nl_policy),
.maxattr = NFSD_A_SERVER_SOCK_ADDR,
nlmsg_for_each_attr_type(attr, NFSD_A_SERVER_SOCK_ADDR, info->nlhdr,
nlmsg_for_each_attr_type(attr, NFSD_A_SERVER_SOCK_ADDR, info->nlhdr,
attr = nla_nest_start(skb, NFSD_A_SERVER_SOCK_ADDR);