[RFC 06/12] mac80211: notify bridge when leaving mesh

[Thomas Pedersen <thomas@cozybit.com>]

After turning carrier off, any parent bridge interface
needs to be notified. Otherwise we would see a panic when
attempting to transmit frames on a mesh interface which
hadn't yet been put down.

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
---
 net/mac80211/mesh.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index eac9988..271ddc9 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -993,6 +993,9 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
 	struct beacon_data *bcn;
 
 	netif_carrier_off(sdata->dev);
+	if (sdata->dev->priv_flags & IFF_BRIDGE_PORT)
+		/* stop bridge transmissions */
+		call_netdevice_notifiers(NETDEV_CHANGE, sdata->dev);
 
 	/* stop the beacon */
 	ifmsh->mesh_id_len = 0;
-- 
1.7.10.4