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[VLAN]: Don't synchronize addresses while the vlan device is down
author
Patrick McHardy
<kaber@trash.net>
Sun, 11 Nov 2007 05:51:40 +0000
(21:51 -0800)
committer
David S. Miller
<davem@davemloft.net>
Sun, 11 Nov 2007 05:51:40 +0000
(21:51 -0800)
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>
net/8021q/vlan.c
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diff --git
a/net/8021q/vlan.c
b/net/8021q/vlan.c
index
1037748
..
0fadbc6
100644
(file)
--- a/
net/8021q/vlan.c
+++ b/
net/8021q/vlan.c
@@
-636,6
+636,10
@@
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;