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usbnet: make usbnet_get_link() fall back to ethtool_op_get_link() 

Make usbnet_get_link() fall back to ethtool_op_get_link() instead of
defaulting to 1.  
     
This makes usbnet_get_link return valid results without the need for a
driver specific check_connect or mii ops as long as the driver calls
netif_carrier_{on,off}() as appropriate.  cdc_ether is an example of
such a driver.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bjørn Mork 2009-03-01 20:45:40 -08:00 committed by David S. Miller
parent 2cf48a10aa
commit 05ffb3e287
1 changed files with 2 additions and 2 deletions
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4
drivers/net/usb/usbnet.c
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@ -723,8 +723,8 @@ u32 usbnet_get_link (struct net_device *net)
if (dev->mii.mdio_read)
return mii_link_ok(&dev->mii);
/* Otherwise, say we're up (to avoid breaking scripts) */
return 1;
/* Otherwise, dtrt for drivers calling netif_carrier_{on,off} */
return ethtool_op_get_link(net);
}
EXPORT_SYMBOL_GPL(usbnet_get_link);