net: emac: Use net_device_stats from struct net_device

Instead of using a private copy of struct net_device_stats in
struct emac_instance, use stats from struct net_device.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/ibm/emac/core.c

@@ -1929,7 +1929,7 @@ static struct net_device_stats *emac_stats(struct net_device *ndev)
 	struct emac_instance *dev = netdev_priv(ndev);
 	struct emac_stats *st = &dev->stats;
 	struct emac_error_stats *est = &dev->estats;
-	struct net_device_stats *nst = &dev->nstats;
+	struct net_device_stats *nst = &ndev->stats;
 	unsigned long flags;
 
 	DBG2(dev, "stats" NL);

drivers/net/ethernet/ibm/emac/core.h

@@ -265,7 +265,6 @@ struct emac_instance {
 	/* Stats
 	 */
 	struct emac_error_stats		estats;
-	struct net_device_stats		nstats;
 	struct emac_stats 		stats;
 
 	/* Misc