NBD_SOCK_MAX
static const struct nla_policy nbd_sock_policy[NBD_SOCK_MAX + 1] = {
struct nlattr *socks[NBD_SOCK_MAX+1];
ret = nla_parse_nested_deprecated(socks, NBD_SOCK_MAX,
struct nlattr *socks[NBD_SOCK_MAX+1];
ret = nla_parse_nested_deprecated(socks, NBD_SOCK_MAX,