[IrDA] af_irda: irda_accept cleanup

	 * calling us, the data is waiting for us ;-)

	 * Jean II

	 */

	while (1) {

		skb = skb_dequeue(&sk->sk_receive_queue);

	if (skb == NULL) {

		int ret = 0;

		DECLARE_WAITQUEUE(waitq, current);

		if (skb)

			break;

		/* Non blocking operation */

		if (flags & O_NONBLOCK)

			return -EWOULDBLOCK;

		/* The following code is a cut'n'paste of the

		 * wait_event_interruptible() macro.

		 * We don't us the macro because the condition has

		 * side effects : we want to make sure that only one

		 * skb get dequeued - Jean II */

		add_wait_queue(sk->sk_sleep, &waitq);

		for (;;) {

			set_current_state(TASK_INTERRUPTIBLE);

			skb = skb_dequeue(&sk->sk_receive_queue);

			if (skb != NULL)

				break;

			if (!signal_pending(current)) {

				schedule();

				continue;

			}

			ret = -ERESTARTSYS;

			break;

		}

		current->state = TASK_RUNNING;

		remove_wait_queue(sk->sk_sleep, &waitq);

		if(ret)

			return -ERESTARTSYS;

		err = wait_event_interruptible(*(sk->sk_sleep),

					skb_peek(&sk->sk_receive_queue));

		if (err)

			return err;

	}

	newsk = newsock->sk;