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/arm/ether3.c b/drivers/net/arm/ether3.c
index ec8a1ae..4550371 100644
--- a/drivers/net/arm/ether3.c
+++ b/drivers/net/arm/ether3.c
@@ -526,7 +526,7 @@
if (priv(dev)->tx_tail == next_ptr) {
local_irq_restore(flags);
- return 1; /* unable to queue */
+ return NETDEV_TX_BUSY; /* unable to queue */
}
dev->trans_start = jiffies;