replace net_device arguments with ieee80211_{local,sub_if_data} as appropriate

This patch replaces net_device arguments to mac80211 internal functions
with ieee80211_{local,sub_if_data} as appropriate.

It also does the same for many 802.11s mesh functions, and changes the
mesh path table to be indexed on sub_if_data rather than net_device.

If the mesh part needs to be a separate patch let me know, but since
mesh uses a lot of mac80211 functions which were being converted anyway,
the changes go hand-in-hand somewhat.

This patch probably does not convert all the functions which could be
converted, but it is a large chunk and followup patches will be
provided.

Signed-off-by: Jasper Bryant-Greene <jasper@amiton.co.nz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 610ed1d..4a623b8 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -56,7 +56,7 @@
 	case IEEE80211_IF_TYPE_MESH_POINT:
 		/* Allow compiler to elide mesh_rmc_free call. */
 		if (ieee80211_vif_is_mesh(&sdata->vif))
-			mesh_rmc_free(dev);
+			mesh_rmc_free(sdata);
 		/* fall through */
 	case IEEE80211_IF_TYPE_STA:
 	case IEEE80211_IF_TYPE_IBSS:
@@ -241,15 +241,13 @@
 	return ret;
 }
 
-void ieee80211_if_remove(struct net_device *dev)
+void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
 	ASSERT_RTNL();
 
 	list_del_rcu(&sdata->list);
 	synchronize_rcu();
-	unregister_netdevice(dev);
+	unregister_netdevice(sdata->dev);
 }
 
 /*