static int setup_netfront_split(struct netfront_queue *queue)
{
	int err;

	err = xenbus_alloc_evtchn(queue->info->xbdev, &queue->tx_evtchn);
	if (err < 0)
		goto fail;
	err = xenbus_alloc_evtchn(queue->info->xbdev, &queue->rx_evtchn);
	if (err < 0)
		goto alloc_rx_evtchn_fail;

	snprintf(queue->tx_irq_name, sizeof(queue->tx_irq_name),
		 "%s-tx", queue->name);
	err = bind_evtchn_to_irqhandler_lateeoi(queue->tx_evtchn,
						xennet_tx_interrupt, 0,
						queue->tx_irq_name, queue);
	if (err < 0)
		goto bind_tx_fail;
	queue->tx_irq = err;

	snprintf(queue->rx_irq_name, sizeof(queue->rx_irq_name),
		 "%s-rx", queue->name);
	err = bind_evtchn_to_irqhandler_lateeoi(queue->rx_evtchn,
						xennet_rx_interrupt, 0,
						queue->rx_irq_name, queue);
	if (err < 0)
		goto bind_rx_fail;
	queue->rx_irq = err;

	return 0;

bind_rx_fail:
	unbind_from_irqhandler(queue->tx_irq, queue);
	queue->tx_irq = 0;
bind_tx_fail:
	xenbus_free_evtchn(queue->info->xbdev, queue->rx_evtchn);
	queue->rx_evtchn = 0;
alloc_rx_evtchn_fail:
	xenbus_free_evtchn(queue->info->xbdev, queue->tx_evtchn);
	queue->tx_evtchn = 0;
fail:
	return err;
}
static int setup_netfront_split(struct netfront_queue *queue)
{
	int err;

	err = xenbus_alloc_evtchn(queue->info->xbdev, &queue->tx_evtchn);
	if (err < 0)
		goto fail;
	err = xenbus_alloc_evtchn(queue->info->xbdev, &queue->rx_evtchn);
	if (err < 0)
		goto alloc_rx_evtchn_fail;

	snprintf(queue->tx_irq_name, sizeof(queue->tx_irq_name),
		 "%s-tx", queue->name);
	err = bind_evtchn_to_irqhandler_lateeoi(queue->tx_evtchn,
						xennet_tx_interrupt, 0,
						queue->tx_irq_name, queue);
	if (err < 0)
		goto bind_tx_fail;
	queue->tx_irq = err;

	snprintf(queue->rx_irq_name, sizeof(queue->rx_irq_name),
		 "%s-rx", queue->name);
	err = bind_evtchn_to_irqhandler_lateeoi(queue->rx_evtchn,
						xennet_rx_interrupt, 0,
						queue->rx_irq_name, queue);
	if (err < 0)
		goto bind_rx_fail;
	queue->rx_irq = err;

	return 0;

bind_rx_fail:
	unbind_from_irqhandler(queue->tx_irq, queue);
	queue->tx_irq = 0;
bind_tx_fail:
	xenbus_free_evtchn(queue->info->xbdev, queue->rx_evtchn);
	queue->rx_evtchn = 0;
alloc_rx_evtchn_fail:
	xenbus_free_evtchn(queue->info->xbdev, queue->tx_evtchn);
	queue->tx_evtchn = 0;
fail:
	return err;
}