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, 3 insertions, 3 deletions

diff --git a/drivers/net/de600.c b/drivers/net/de600.c
index c866ca99a068..e1af089064bc 100644
--- a/drivers/net/de600.c
+++ b/drivers/net/de600.c
@@ -168,14 +168,14 @@ static int de600_start_xmit(struct sk_buff *skb, struct net_device *dev)
         if (free_tx_pages <= 0) {       /* Do timeouts, to avoid hangs. */
                 tickssofar = jiffies - dev->trans_start;
                 if (tickssofar < 5)
-                        return 1;
+                        return NETDEV_TX_BUSY;
                 /* else */
                 printk(KERN_WARNING "%s: transmit timed out (%d), %s?\n", dev->name, tickssofar, "network cable problem");
                 /* Restart the adapter. */
                 spin_lock_irqsave(&de600_lock, flags);
                 if (adapter_init(dev)) {
                         spin_unlock_irqrestore(&de600_lock, flags);
-                        return 1;
+                        return NETDEV_TX_BUSY;
                 }
                 spin_unlock_irqrestore(&de600_lock, flags);
         }
@@ -199,7 +199,7 @@ static int de600_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 if (was_down || (de600_read_byte(READ_DATA, dev) != 0xde)) {
                         if (adapter_init(dev)) {
                                 spin_unlock_irqrestore(&de600_lock, flags);
-                                return 1;
+                                return NETDEV_TX_BUSY;
                         }
                 }
         }