bridge: Update outdated comment on promiscuous mode

Now bridge ports can be non-promiscuous, vlan_vid_add() is no longer an
unnecessary operation.

Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 4 deletions

diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index 2b2774fe0703..febb0f87fa37 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -55,10 +55,8 @@ static int __vlan_add(struct net_port_vlans *v, u16 vid, u16 flags)
 
         if (p) {
                 /* Add VLAN to the device filter if it is supported.
-                 * Stricly speaking, this is not necessary now, since
-                 * devices are made promiscuous by the bridge, but if
-                 * that ever changes this code will allow tagged
-                 * traffic to enter the bridge.
+                 * This ensures tagged traffic enters the bridge when
+                 * promiscuous mode is disabled by br_manage_promisc().
                  */
                 err = vlan_vid_add(dev, br->vlan_proto, vid);
                 if (err)