SOCK_BINDADDR_LOCK
(sk->sk_userlocks & SOCK_BINDADDR_LOCK) ||
sk->sk_userlocks |= SOCK_BINDADDR_LOCK;
if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK))
sk->sk_userlocks |= SOCK_BINDADDR_LOCK;
sk->sk_userlocks |= SOCK_BINDADDR_LOCK;
if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK)) {
sk->sk_userlocks |= SOCK_BINDADDR_LOCK;