arc_emac: Use net_device_stats from struct net_device

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

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
index 18e2fac..6cfcd38 100644
--- a/drivers/net/ethernet/arc/emac_main.c
+++ b/drivers/net/ethernet/arc/emac_main.c
@@ -140,7 +140,7 @@
 static void arc_emac_tx_clean(struct net_device *ndev)
 {
 	struct arc_emac_priv *priv = netdev_priv(ndev);
-	struct net_device_stats *stats = &priv->stats;
+	struct net_device_stats *stats = &ndev->stats;
 	unsigned int i;
 
 	for (i = 0; i < TX_BD_NUM; i++) {
@@ -202,7 +202,7 @@
 
 	for (work_done = 0; work_done < budget; work_done++) {
 		unsigned int *last_rx_bd = &priv->last_rx_bd;
-		struct net_device_stats *stats = &priv->stats;
+		struct net_device_stats *stats = &ndev->stats;
 		struct buffer_state *rx_buff = &priv->rx_buff[*last_rx_bd];
 		struct arc_emac_bd *rxbd = &priv->rxbd[*last_rx_bd];
 		unsigned int pktlen, info = le32_to_cpu(rxbd->info);
@@ -318,7 +318,7 @@
 {
 	struct net_device *ndev = dev_instance;
 	struct arc_emac_priv *priv = netdev_priv(ndev);
-	struct net_device_stats *stats = &priv->stats;
+	struct net_device_stats *stats = &ndev->stats;
 	unsigned int status;
 
 	status = arc_reg_get(priv, R_STATUS);
@@ -529,7 +529,7 @@
 static struct net_device_stats *arc_emac_stats(struct net_device *ndev)
 {
 	struct arc_emac_priv *priv = netdev_priv(ndev);
-	struct net_device_stats *stats = &priv->stats;
+	struct net_device_stats *stats = &ndev->stats;
 	unsigned long miss, rxerr;
 	u8 rxcrc, rxfram, rxoflow;
 
@@ -565,7 +565,7 @@
 {
 	struct arc_emac_priv *priv = netdev_priv(ndev);
 	unsigned int len, *txbd_curr = &priv->txbd_curr;
-	struct net_device_stats *stats = &priv->stats;
+	struct net_device_stats *stats = &ndev->stats;
 	__le32 *info = &priv->txbd[*txbd_curr].info;
 	dma_addr_t addr;