[Bluetooth] Check checksums for BNEP

The checking of the checksums is needed, because with certain Bluetooth
hardware there are failures which aren't caught otherwise.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

net/bluetooth/bnep/core.c

@@ -384,7 +384,7 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
 	
 	s->stats.rx_packets++;
 	nskb->dev       = dev;
-	nskb->ip_summed = CHECKSUM_UNNECESSARY;
+	nskb->ip_summed = CHECKSUM_NONE;
 	nskb->protocol  = eth_type_trans(nskb, dev);
 	netif_rx_ni(nskb);
 	return 0;