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ibm_newemac: emac_close() needs to call netif_carrier_off()

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When ibm_newemac netdev instance is shutdown with "ifconfig down",
the netdev interface does not go properly down. netif_carrier_ok()
keeps returning TRUE even after "ifconfig down".

The problem can be seen when ibm_newemac instances are slaves of
a bonding interface. The bonding interface code uses netif_carrier_ok()
to determine the link status of its slaves. When ibm_newemac slave is
shutdown with "ifconfig down", the bonding interface won't detect any
link status change because netif_carrier_ok() keeps returning TRUE.

Signed-off-by: Petri Gynther <pgynther@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petri Gynther 2009-08-20 02:21:27 -07:00 committed by David S. Miller
parent cbb35f8a28
commit d3b325f9c2
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ibm_newemac/core.c
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@ -1305,6 +1305,8 @@ static int emac_close(struct net_device *ndev)
free_irq(dev->emac_irq, dev);
netif_carrier_off(ndev);
return 0;
}