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Fix VLAN address syncing.

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patch d932e04a5e in mainline.

[PATCH] [VLAN]: Don't synchronize addresses while the vlan device is down

While the VLAN device is down, the unicast addresses are not configured
on the underlying device, so we shouldn't attempt to sync them.

Noticed by Dmitry Butskoy <buc@odusz.so-cdu.ru>

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Patrick McHardy
2007-11-13 00:11:51 -08:00
committed by Greg Kroah-Hartman
parent e809e9c0da
commit dae1e6e827
1 changed files with 4 additions and 0 deletions
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net/8021q/vlan.c
+4
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@@ -629,6 +629,10 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
if (!vlandev)
continue;
flgs = vlandev->flags;
if (!(flgs & IFF_UP))
continue;
vlan_sync_address(dev, vlandev);
}
break;