static void l2cap_sock_set_shutdown_cb(struct l2cap_chan *chan)
{
	struct sock *sk = chan->data;

	lock_sock(sk);
	sk->sk_shutdown = SHUTDOWN_MASK;
	release_sock(sk);
}
static void l2cap_sock_set_shutdown_cb(struct l2cap_chan *chan)
{
	struct sock *sk = chan->data;

	lock_sock(sk);
	sk->sk_shutdown = SHUTDOWN_MASK;
	release_sock(sk);
}