Replace cpmac fix

Please apply this patch since i reverted by mistake
the commit 4e3ab47a547616e583c7a5458beced6aa34c8ef3
in 6cd043d99dcf5d252fcc682958541f449113f7b3

Signed-off-by: Matteo Croce <technoboy85@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index 6fd95a2..6e12d48 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -459,7 +459,7 @@
 		return NETDEV_TX_OK;
 
 	len = max(skb->len, ETH_ZLEN);
-	queue = skb->queue_mapping;
+	queue = skb_get_queue_mapping(skb);
 #ifdef CONFIG_NETDEVICES_MULTIQUEUE
 	netif_stop_subqueue(dev, queue);
 #else