br_netfilter: Convert to dst_neigh_lookup_skb().

	if (!skb->dev)

		goto free_skb;

	dst = skb_dst(skb);

	neigh = dst_get_neighbour_noref(dst);

	neigh = dst_neigh_lookup_skb(dst, skb);

	if (neigh) {

		int ret;

		if (neigh->hh.hh_len) {

			neigh_hh_bridge(&neigh->hh, skb);

			skb->dev = nf_bridge->physindev;

		return br_handle_frame_finish(skb);

			ret = br_handle_frame_finish(skb);

		} else {

			/* the neighbour function below overwrites the complete

			 * MAC header, so we save the Ethernet source address and

		 * protocol number. */

		skb_copy_from_linear_data_offset(skb, -(ETH_HLEN-ETH_ALEN), skb->nf_bridge->data, ETH_HLEN-ETH_ALEN);

			 * protocol number.

			 */

			skb_copy_from_linear_data_offset(skb,

							 -(ETH_HLEN-ETH_ALEN),

							 skb->nf_bridge->data,

							 ETH_HLEN-ETH_ALEN);

			/* tell br_dev_xmit to continue with forwarding */

			nf_bridge->mask |= BRNF_BRIDGED_DNAT;

		return neigh->output(neigh, skb);

			ret = neigh->output(neigh, skb);

		}

		neigh_release(neigh);

		return ret;

	}

free_skb:

	kfree_skb(skb);