1 files changed, 7 insertions, 2 deletions

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 1483243edf14..225aa2fac0e3 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -431,6 +431,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
         struct vlan_group *grp;
         int i, flgs;
         struct net_device *vlandev;
+        struct vlan_dev_info *vlan;
         LIST_HEAD(list);
 
         if (is_vlan_dev(dev))
@@ -507,7 +508,9 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
                         if (!(flgs & IFF_UP))
                                 continue;
 
-                        dev_change_flags(vlandev, flgs & ~IFF_UP);
+                        vlan = vlan_dev_info(vlandev);
+                        if (!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
+                                dev_change_flags(vlandev, flgs & ~IFF_UP);
                         vlan_transfer_operstate(dev, vlandev);
                 }
                 break;
@@ -523,7 +526,9 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
                         if (flgs & IFF_UP)
                                 continue;
 
-                        dev_change_flags(vlandev, flgs | IFF_UP);
+                        vlan = vlan_dev_info(vlandev);
+                        if (!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
+                                dev_change_flags(vlandev, flgs | IFF_UP);
                         vlan_transfer_operstate(dev, vlandev);
                 }
                 break;