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/myri_sbus.c b/drivers/net/myri_sbus.c
index 9a802ad..5f0758b 100644
--- a/drivers/net/myri_sbus.c
+++ b/drivers/net/myri_sbus.c
@@ -640,7 +640,7 @@
if (!TX_BUFFS_AVAIL(head, tail)) {
DTX(("no buffs available, returning 1\n"));
- return 1;
+ return NETDEV_TX_BUSY;
}
spin_lock_irqsave(&mp->irq_lock, flags);