static int vsock_send_shutdown(struct sock *sk, int mode)
{
	struct vsock_sock *vsk = vsock_sk(sk);

	if (!vsk->transport)
		return -ENODEV;

	return vsk->transport->shutdown(vsk, mode);
}
static int vsock_send_shutdown(struct sock *sk, int mode)
{
	struct vsock_sock *vsk = vsock_sk(sk);

	if (!vsk->transport)
		return -ENODEV;

	return vsk->transport->shutdown(vsk, mode);
}