net/ncsi: Improve HNCDSC AEN handler

		return -ENODEV;

	/* If the channel is active one, we need reconfigure it */

	spin_lock_irqsave(&nc->lock, flags);

	ncm = &nc->modes[NCSI_MODE_LINK];

	hncdsc = (struct ncsi_aen_hncdsc_pkt *)h;

	ncm->data[3] = ntohl(hncdsc->status);

	if (!list_empty(&nc->link) ||

	    nc->state != NCSI_CHANNEL_ACTIVE ||

	    (ncm->data[3] & 0x1))

	    nc->state != NCSI_CHANNEL_ACTIVE) {

		spin_unlock_irqrestore(&nc->lock, flags);

		return 0;

	}

	if (ndp->flags & NCSI_DEV_HWA)

	spin_unlock_irqrestore(&nc->lock, flags);

	if (!(ndp->flags & NCSI_DEV_HWA) && !(ncm->data[3] & 0x1))

		ndp->flags |= NCSI_DEV_RESHUFFLE;

	/* If this channel is the active one and the link doesn't

	 * work, we have to choose another channel to be active one.

	 * The logic here is exactly similar to what we do when link

	 * is down on the active channel.

	 *

	 * On the other hand, we need configure it when host driver

	 * state on the active channel becomes ready.

	 */

	ncsi_stop_channel_monitor(nc);

	spin_lock_irqsave(&nc->lock, flags);

	nc->state = (ncm->data[3] & 0x1) ? NCSI_CHANNEL_INACTIVE :

					   NCSI_CHANNEL_ACTIVE;

	spin_unlock_irqrestore(&nc->lock, flags);

	spin_lock_irqsave(&ndp->lock, flags);

	list_add_tail_rcu(&nc->link, &ndp->channel_queue);

	spin_unlock_irqrestore(&ndp->lock, flags);