Commit d932e04a authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

[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: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 358352b8

net/8021q/vlan.c

+4 −0
Original line number Diff line number Diff line
@@ -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;