[PATCH] mac80211: fix vlan bug

VLAN interfaces have yet another bug: they aren't accounted
for properly in the receive path in prepare_for_handlers().
I noticed this by code inspection, but it would be easy for
the compiler to catch such things if we'd just use the proper
enum where appropriate.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/ieee80211_iface.c b/net/mac80211/ieee80211_iface.c
index 369ee4f..60cee6e 100644
--- a/net/mac80211/ieee80211_iface.c
+++ b/net/mac80211/ieee80211_iface.c
@@ -243,6 +243,9 @@
 	ieee80211_if_sdata_deinit(sdata);
 
 	switch (sdata->type) {
+	case IEEE80211_IF_TYPE_MGMT:
+		/* nothing to do */
+		break;
 	case IEEE80211_IF_TYPE_AP: {
 		/* Remove all virtual interfaces that use this BSS
 		 * as their sdata->bss */