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-rw-r--r--net/8021q/vlan.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 9096bcb..ee07072 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -463,7 +463,9 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
case NETDEV_PRE_TYPE_CHANGE:
/* Forbid underlaying device to change its type. */
- return NOTIFY_BAD;
+ if (vlan_uses_dev(dev))
+ return NOTIFY_BAD;
+ break;
case NETDEV_NOTIFY_PEERS:
case NETDEV_BONDING_FAILOVER:
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