mac802154: remove wpan_dev parameter in if_add

This parameter was grabbed from wireless implementation with the
identically wireless dev struct. We don't need this right now and so we
remove it. Maybe we will add it later again if we found any real reason
to have such parameter.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c
index cc992e8..ba63ac9 100644
--- a/net/mac802154/iface.c
+++ b/net/mac802154/iface.c
@@ -458,7 +458,7 @@
 
 struct net_device *
 ieee802154_if_add(struct ieee802154_local *local, const char *name,
-		  struct wpan_dev **new_wpan_dev, enum nl802154_iftype type)
+		  enum nl802154_iftype type)
 {
 	struct net_device *ndev = NULL;
 	struct ieee802154_sub_if_data *sdata = NULL;
@@ -516,9 +516,6 @@
 	list_add_tail_rcu(&sdata->list, &local->interfaces);
 	mutex_unlock(&local->iflist_mtx);
 
-	if (new_wpan_dev)
-		*new_wpan_dev = &sdata->wpan_dev;
-
 	return ndev;
 
 err: