net: use symbolic values for ndo_start_xmit() return codes

Convert magic values 1 and -1 to NETDEV_TX_BUSY and NETDEV_TX_LOCKED respectively.

0 (NETDEV_TX_OK) is not changed to keep the noise down, except in very few cases
where its in direct proximity to one of the other values.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 119dc5300f9d..e52a2018e91e 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -1716,7 +1716,7 @@ static int e100_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
                 /* This is a hard error - log it. */
                 DPRINTK(TX_ERR, DEBUG, "Out of Tx resources, returning skb\n");
                 netif_stop_queue(netdev);
-                return 1;
+                return NETDEV_TX_BUSY;
         }
 
         netdev->trans_start = jiffies;