r8152: replace tp->netdev with netdev

Replace some tp->netdev with netdev.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/usb/r8152.c

@@ -1037,6 +1037,7 @@ static void read_bulk_callback(struct urb *urb)
 static void write_bulk_callback(struct urb *urb)
 {
 	struct net_device_stats *stats;
+	struct net_device *netdev;
 	unsigned long flags;
 	struct tx_agg *agg;
 	struct r8152 *tp;
@@ -1050,10 +1051,11 @@ static void write_bulk_callback(struct urb *urb)
 	if (!tp)
 		return;
 
-	stats = rtl8152_get_stats(tp->netdev);
+	netdev = tp->netdev;
+	stats = rtl8152_get_stats(netdev);
 	if (status) {
 		if (net_ratelimit())
-			netdev_warn(tp->netdev, "Tx status %d\n", status);
+			netdev_warn(netdev, "Tx status %d\n", status);
 		stats->tx_errors += agg->skb_num;
 	} else {
 		stats->tx_packets += agg->skb_num;
@@ -1066,7 +1068,7 @@ static void write_bulk_callback(struct urb *urb)
 
 	usb_autopm_put_interface_async(tp->intf);
 
-	if (!netif_carrier_ok(tp->netdev))
+	if (!netif_carrier_ok(netdev))
 		return;
 
 	if (!test_bit(WORK_ENABLE, &tp->flags))