vlan: Don't propagate flag changes on down interfaces.

[mirror_ubuntu-artful-kernel.git] / net / 8021q / vlan_dev.c

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index c8cf9391417ec9442b47f31e3c3cde891cfeaf1d..bc252862458385ef5d37367a643fcdf9ef5ad9af 100644 (file)
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -470,10 +470,12 @@ static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
 {
        struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
 
-       if (change & IFF_ALLMULTI)
-               dev_set_allmulti(real_dev, dev->flags & IFF_ALLMULTI ? 1 : -1);
-       if (change & IFF_PROMISC)
-               dev_set_promiscuity(real_dev, dev->flags & IFF_PROMISC ? 1 : -1);
+       if (dev->flags & IFF_UP) {
+               if (change & IFF_ALLMULTI)
+                       dev_set_allmulti(real_dev, dev->flags & IFF_ALLMULTI ? 1 : -1);
+               if (change & IFF_PROMISC)
+                       dev_set_promiscuity(real_dev, dev->flags & IFF_PROMISC ? 1 : -1);
+       }
 }
 
 static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)