e1000e: Use the instance of net_device_stats from net_device.

Since net_device has an instance of net_device_stats,
we can remove the instance of this from the private adapter structure.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 0687c6a..21af398 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -560,8 +560,8 @@
 
 	adapter->total_rx_bytes += total_rx_bytes;
 	adapter->total_rx_packets += total_rx_packets;
-	adapter->net_stats.rx_bytes += total_rx_bytes;
-	adapter->net_stats.rx_packets += total_rx_packets;
+	netdev->stats.rx_bytes += total_rx_bytes;
+	netdev->stats.rx_packets += total_rx_packets;
 	return cleaned;
 }
 
@@ -690,8 +690,8 @@
 	}
 	adapter->total_tx_bytes += total_tx_bytes;
 	adapter->total_tx_packets += total_tx_packets;
-	adapter->net_stats.tx_bytes += total_tx_bytes;
-	adapter->net_stats.tx_packets += total_tx_packets;
+	netdev->stats.tx_bytes += total_tx_bytes;
+	netdev->stats.tx_packets += total_tx_packets;
 	return (count < tx_ring->count);
 }
 
@@ -871,8 +871,8 @@
 
 	adapter->total_rx_bytes += total_rx_bytes;
 	adapter->total_rx_packets += total_rx_packets;
-	adapter->net_stats.rx_bytes += total_rx_bytes;
-	adapter->net_stats.rx_packets += total_rx_packets;
+	netdev->stats.rx_bytes += total_rx_bytes;
+	netdev->stats.rx_packets += total_rx_packets;
 	return cleaned;
 }
 
@@ -1051,8 +1051,8 @@
 
 	adapter->total_rx_bytes += total_rx_bytes;
 	adapter->total_rx_packets += total_rx_packets;
-	adapter->net_stats.rx_bytes += total_rx_bytes;
-	adapter->net_stats.rx_packets += total_rx_packets;
+	netdev->stats.rx_bytes += total_rx_bytes;
+	netdev->stats.rx_packets += total_rx_packets;
 	return cleaned;
 }
 
@@ -3287,6 +3287,7 @@
  **/
 void e1000e_update_stats(struct e1000_adapter *adapter)
 {
+	struct net_device *netdev = adapter->netdev;
 	struct e1000_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = adapter->pdev;
 	u16 phy_data;
@@ -3381,8 +3382,8 @@
 	adapter->stats.tsctfc += er32(TSCTFC);
 
 	/* Fill out the OS statistics structure */
-	adapter->net_stats.multicast = adapter->stats.mprc;
-	adapter->net_stats.collisions = adapter->stats.colc;
+	netdev->stats.multicast = adapter->stats.mprc;
+	netdev->stats.collisions = adapter->stats.colc;
 
 	/* Rx Errors */
 
@@ -3390,22 +3391,22 @@
 	 * RLEC on some newer hardware can be incorrect so build
 	 * our own version based on RUC and ROC
 	 */
-	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
+	netdev->stats.rx_errors = adapter->stats.rxerrc +
 		adapter->stats.crcerrs + adapter->stats.algnerrc +
 		adapter->stats.ruc + adapter->stats.roc +
 		adapter->stats.cexterr;
-	adapter->net_stats.rx_length_errors = adapter->stats.ruc +
+	netdev->stats.rx_length_errors = adapter->stats.ruc +
 					      adapter->stats.roc;
-	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
-	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
-	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
+	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
+	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
+	netdev->stats.rx_missed_errors = adapter->stats.mpc;
 
 	/* Tx Errors */
-	adapter->net_stats.tx_errors = adapter->stats.ecol +
+	netdev->stats.tx_errors = adapter->stats.ecol +
 				       adapter->stats.latecol;
-	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
-	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
-	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
+	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
+	netdev->stats.tx_window_errors = adapter->stats.latecol;
+	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
 
 	/* Tx Dropped needs to be maintained elsewhere */
 
@@ -4254,10 +4255,8 @@
  **/
 static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
 {
-	struct e1000_adapter *adapter = netdev_priv(netdev);
-
 	/* only return the current stats */
-	return &adapter->net_stats;
+	return &netdev->stats;
 }
 
 /**