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>
diff --git a/drivers/net/3c515.c b/drivers/net/3c515.c
index 7fd0ff7..3e00fa8 100644
--- a/drivers/net/3c515.c
+++ b/drivers/net/3c515.c
@@ -1014,7 +1014,7 @@
int i;
if (vp->tx_full) /* No room to transmit with */
- return 1;
+ return NETDEV_TX_BUSY;
if (vp->cur_tx != 0)
prev_entry = &vp->tx_ring[(vp->cur_tx - 1) % TX_RING_SIZE];
else