net: emac: Fix use correct return type for ndo_start_xmit()

The method ndo_start_xmit() returns a value of type netdev_tx_t. Fix
the ndo function to use the correct type.
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qualcomm/emac/emac-mac.c

@@ -1431,7 +1431,8 @@ static void emac_tx_fill_tpd(struct emac_adapter *adpt,
 }
 
 /* Transmit the packet using specified transmit queue */
-int emac_mac_tx_buf_send(struct emac_adapter *adpt, struct emac_tx_queue *tx_q,
+netdev_tx_t emac_mac_tx_buf_send(struct emac_adapter *adpt,
+				 struct emac_tx_queue *tx_q,
 				 struct sk_buff *skb)
 {
 	struct emac_tpd tpd;

drivers/net/ethernet/qualcomm/emac/emac-mac.h

@@ -227,7 +227,8 @@ void emac_mac_stop(struct emac_adapter *adpt);
 void emac_mac_mode_config(struct emac_adapter *adpt);
 void emac_mac_rx_process(struct emac_adapter *adpt, struct emac_rx_queue *rx_q,
 			 int *num_pkts, int max_pkts);
-int emac_mac_tx_buf_send(struct emac_adapter *adpt, struct emac_tx_queue *tx_q,
+netdev_tx_t emac_mac_tx_buf_send(struct emac_adapter *adpt,
+				 struct emac_tx_queue *tx_q,
 				 struct sk_buff *skb);
 void emac_mac_tx_process(struct emac_adapter *adpt, struct emac_tx_queue *tx_q);
 void emac_mac_rx_tx_ring_init_all(struct platform_device *pdev,

drivers/net/ethernet/qualcomm/emac/emac.c

@@ -115,7 +115,8 @@ static int emac_napi_rtx(struct napi_struct *napi, int budget)
 }
 
 /* Transmit the packet */
-static int emac_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t emac_start_xmit(struct sk_buff *skb,
+				   struct net_device *netdev)
 {
 	struct emac_adapter *adpt = netdev_priv(netdev);