mac80211: don't pick up WPA vendor IE

There's no use for it, WPA is entirely handled in
wpa_supplicant in userspace, so don't pick the IE.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/ieee80211_i.h

@@ -1175,7 +1175,6 @@ struct ieee802_11_elems {
 	struct ieee80211_tim_ie *tim;
 	u8 *ibss_params;
 	u8 *challenge;
-	u8 *wpa;
 	u8 *rsn;
 	u8 *erp_info;
 	u8 *ext_supp_rates;
@@ -1208,7 +1207,6 @@ struct ieee802_11_elems {
 	u8 tim_len;
 	u8 ibss_params_len;
 	u8 challenge_len;
-	u8 wpa_len;
 	u8 rsn_len;
 	u8 erp_info_len;
 	u8 ext_supp_rates_len;

net/mac80211/util.c

@@ -739,11 +739,7 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
 				if (calc_crc)
 					crc = crc32_be(crc, pos - 2, elen + 2);
 
-				if (pos[3] == 1) {
-					/* OUI Type 1 - WPA IE */
-					elems->wpa = pos;
-					elems->wpa_len = elen;
-				} else if (elen >= 5 && pos[3] == 2) {
+				if (elen >= 5 && pos[3] == 2) {
 					/* OUI Type 2 - WMM IE */
 					if (pos[4] == 0) {
 						elems->wmm_info = pos;