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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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drivers/usb/gadget/u_ether.c
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@ -520,7 +520,7 @@ static int eth_start_xmit(struct sk_buff *skb, struct net_device *net)
*/
if (list_empty(&dev->tx_reqs)) {
spin_unlock_irqrestore(&dev->req_lock, flags);
return 1;
return NETDEV_TX_BUSY;
}
req = container_of(dev->tx_reqs.next, struct usb_request, list);