static int unix_release(struct socket *sock)
{
	struct sock *sk = sock->sk;

	if (!sk)
		return 0;

	sk->sk_prot->close(sk, 0);
	unix_release_sock(sk, 0);
	sock->sk = NULL;

	return 0;
}
static int unix_release(struct socket *sock)
{
	struct sock *sk = sock->sk;

	if (!sk)
		return 0;

	sk->sk_prot->close(sk, 0);
	unix_release_sock(sk, 0);
	sock->sk = NULL;

	return 0;
}