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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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Patrick McHardy 2009-06-12 06:22:29 +00:00 • committed by David S. Miller
commit 5b54814022
81 changed files with 109 additions and 109 deletions
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6
drivers/isdn/i4l/isdn_net.c
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@ -1069,7 +1069,7 @@ isdn_net_xmit(struct net_device *ndev, struct sk_buff *skb)
lp = isdn_net_get_locked_lp(nd);
if (!lp) {
printk(KERN_WARNING "%s: all channels busy - requeuing!\n", ndev->name);
return 1;
return NETDEV_TX_BUSY;
}
/* we have our lp locked from now on */
@ -1273,14 +1273,14 @@ isdn_net_start_xmit(struct sk_buff *skb, struct net_device *ndev)
spin_unlock_irqrestore(&dev->lock, flags);
isdn_net_dial(); /* Initiate dialing */
netif_stop_queue(ndev);
return 1; /* let upper layer requeue skb packet */
return NETDEV_TX_BUSY; /* let upper layer requeue skb packet */
}
#endif
/* Initiate dialing */
spin_unlock_irqrestore(&dev->lock, flags);
isdn_net_dial();
isdn_net_device_stop_queue(lp);
return 1;
return NETDEV_TX_BUSY;
} else {
isdn_net_unreachable(ndev, skb,
"No phone number");