From d932e04a5e7b146c5f9bf517714b986a432a7594 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Sat, 10 Nov 2007 21:51:40 -0800 Subject: [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 Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/8021q/vlan.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 1037748c14d..0fadbc6fbc3 100644 --- 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; -- 2.41.0