[MAC80211]: add "invalid" interface type

Since I cannot convince the lazy driver authors (hello Michael)
to stop (ab)using the MGMT interface type internally in their
drivers, this patch introduces a new _INVALID type especially
for their use and changes all affected drivers to use it.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/net/mac80211/ieee80211_iface.c b/net/mac80211/ieee80211_iface.c
index 08c1e188d4b8..ef618e947e2b 100644
--- a/net/mac80211/ieee80211_iface.c
+++ b/net/mac80211/ieee80211_iface.c
@@ -243,6 +243,10 @@ void ieee80211_if_reinit(struct net_device *dev)
         ieee80211_if_sdata_deinit(sdata);
 
         switch (sdata->type) {
+        case IEEE80211_IF_TYPE_INVALID:
+                /* cannot happen */
+                WARN_ON(1);
+                break;
         case IEEE80211_IF_TYPE_MGMT:
                 /* nothing to do */
                 break;