netdevice chelsio: Convert directly reference of netdev->priv

Several netdev share one adapter here.
We use netdev->ml_priv of the netdevs point to the first netdev's priv.

Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c
index fa0a1f1..ca80289 100644
--- a/drivers/net/chelsio/sge.c
+++ b/drivers/net/chelsio/sge.c
@@ -1785,7 +1785,7 @@
  */
 int t1_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
-	struct adapter *adapter = dev->priv;
+	struct adapter *adapter = dev->ml_priv;
 	struct sge *sge = adapter->sge;
 	struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[dev->if_port],
 						smp_processor_id());