Re: [B.A.T.M.A.N.] [PATCH-maint] batman-adv: fix lockdep splat when doing mcast_free

On Mon, Nov 30, 2015 at 05:34:01PM +0100, Simon Wunderlich wrote:

diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index eb76386..75fa501 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -802,7 +802,9 @@ void batadv_mcast_free(struct batadv_priv *bat_priv) batadv_tvlv_container_unregister(bat_priv, BATADV_TVLV_MCAST, 1); batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_MCAST, 1);

• spin_lock_bh(&bat_priv->tt.commit_lock); batadv_mcast_mla_tt_retract(bat_priv, NULL);
• spin_unlock_bh(&bat_priv->tt.commit_lock);

}

See comments in the other thread before applying.