diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c index 0641f54fc6389d622c4e971a4da0a4083943928e..889f338132fa2aef212d5aa1434682a0b33bb99c 100644 --- a/drivers/net/hamradio/bpqether.c +++ b/drivers/net/hamradio/bpqether.c @@ -122,6 +122,12 @@ struct bpqdev { static LIST_HEAD(bpq_devices); +/* + * bpqether network devices are paired with ethernet devices below them, so + * form a special "super class" of normal ethernet devices; split their locks + * off into a separate class since they always nest. + */ +static struct lock_class_key bpq_netdev_xmit_lock_key; /* ------------------------------------------------------------------------ */ @@ -528,6 +534,7 @@ static int bpq_new_device(struct net_device *edev) err = register_netdevice(ndev); if (err) goto error; + lockdep_set_class(&ndev->_xmit_lock, &bpq_netdev_xmit_lock_key); /* List protected by RTNL */ list_add_rcu(&bpq->bpq_list, &bpq_devices);