netdev: convert bulk of drivers to netdev_tx_t

In a couple of cases collapse some extra code like:
   int retval = NETDEV_TX_OK;
   ...
   return retval;
into
   return NETDEV_TX_OK;

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/znet.c b/drivers/net/znet.c
index 7f9e14131a5c..a0384b6f09b6 100644
--- a/drivers/net/znet.c
+++ b/drivers/net/znet.c
@@ -156,7 +156,8 @@ struct netidblk {
 };
 
 static int      znet_open(struct net_device *dev);
-static int      znet_send_packet(struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t znet_send_packet(struct sk_buff *skb,
+                                    struct net_device *dev);
 static irqreturn_t znet_interrupt(int irq, void *dev_id);
 static void     znet_rx(struct net_device *dev);
 static int      znet_close(struct net_device *dev);
@@ -534,7 +535,7 @@ static void znet_tx_timeout (struct net_device *dev)
         netif_wake_queue (dev);
 }
 
-static int znet_send_packet(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t znet_send_packet(struct sk_buff *skb, struct net_device *dev)
 {
         int ioaddr = dev->base_addr;
         struct znet_private *znet = netdev_priv(dev);