net: Push protocol type directly down to header_ops->cache()

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 9798811..48e9cc0 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -1983,13 +1983,14 @@
 	return ret;
 }
 
-static int isdn_header_cache(const struct neighbour *neigh, struct hh_cache *hh)
+static int isdn_header_cache(const struct neighbour *neigh, struct hh_cache *hh,
+			     __be16 type)
 {
 	const struct net_device *dev = neigh->dev;
 	isdn_net_local *lp = netdev_priv(dev);
 
 	if (lp->p_encap == ISDN_NET_ENCAP_ETHER)
-		return eth_header_cache(neigh, hh);
+		return eth_header_cache(neigh, hh, type);
 	return -1;
 }