[NET]: Kill skb->real_dev

Bonding just wants the device before the skb_bond()
decapsulation occurs, so simply pass that original
device into packet_type->func() as an argument.

It remains to be seen whether we can use this same
exact thing to get rid of skb->input_dev as well.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c
index 220bf74..83eb41d 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -64,7 +64,7 @@
 	skb->nh.raw   = skb->data;
 	skb->pkt_type = PACKET_HOST;
 
-	ip_rcv(skb, skb->dev, NULL);
+	ip_rcv(skb, skb->dev, NULL, skb->dev);
 
 	return 1;
 }