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, 2 insertions, 2 deletions

diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c
index 940962ae8f23..1576ac07216e 100644
--- a/drivers/net/ns83820.c
+++ b/drivers/net/ns83820.c
@@ -1097,7 +1097,7 @@ again:
         if (unlikely(dev->CFG_cache & CFG_LNKSTS)) {
                 netif_stop_queue(ndev);
                 if (unlikely(dev->CFG_cache & CFG_LNKSTS))
-                        return 1;
+                        return NETDEV_TX_BUSY;
                 netif_start_queue(ndev);
         }
 
@@ -1115,7 +1115,7 @@ again:
                         netif_start_queue(ndev);
                         goto again;
                 }
-                return 1;
+                return NETDEV_TX_BUSY;
         }
 
         if (free_idx == dev->tx_intr_idx) {