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net: use symbolic values for ndo_start_xmit() return codes

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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>
This commit is contained in:
Patrick McHardy
2009-06-12 06:22:29 +00:00
committed by David S. Miller
parent 5b2c4b972c
commit 5b54814022
81 changed files with 109 additions and 109 deletions
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6
drivers/net/plip.c
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@@ -955,12 +955,12 @@ plip_tx_packet(struct sk_buff *skb, struct net_device *dev)
struct plip_local *snd = &nl->snd_data;
if (netif_queue_stopped(dev))
return 1;
return NETDEV_TX_BUSY;
/* We may need to grab the bus */
if (!nl->port_owner) {
if (parport_claim(nl->pardev))
return 1;
return NETDEV_TX_BUSY;
nl->port_owner = 1;
}
@@ -969,7 +969,7 @@ plip_tx_packet(struct sk_buff *skb, struct net_device *dev)
if (skb->len > dev->mtu + dev->hard_header_len) {
printk(KERN_WARNING "%s: packet too big, %d.\n", dev->name, (int)skb->len);
netif_start_queue (dev);
return 1;
return NETDEV_TX_BUSY;
}
if (net_debug > 2)