1 files changed, 19 insertions, 16 deletions

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 647591c5dadd..98a5959b52a5 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1591,12 +1591,12 @@ static void reg_process_ht_flags_band(struct wiphy *wiphy,
 
 static void reg_process_ht_flags(struct wiphy *wiphy)
 {
-	enum ieee80211_band band;
+	enum nl80211_band band;
 
 	if (!wiphy)
 		return;
 
-	for (band = 0; band < IEEE80211_NUM_BANDS; band++)
+	for (band = 0; band < NUM_NL80211_BANDS; band++)
 		reg_process_ht_flags_band(wiphy, wiphy->bands[band]);
 }
 
@@ -1754,7 +1754,7 @@ static void reg_check_channels(void)
 static void wiphy_update_regulatory(struct wiphy *wiphy,
 				    enum nl80211_reg_initiator initiator)
 {
-	enum ieee80211_band band;
+	enum nl80211_band band;
 	struct regulatory_request *lr = get_last_request();
 
 	if (ignore_reg_update(wiphy, initiator)) {
@@ -1773,7 +1773,7 @@ static void wiphy_update_regulatory(struct wiphy *wiphy,
 
 	lr->dfs_region = get_cfg80211_regdom()->dfs_region;
 
-	for (band = 0; band < IEEE80211_NUM_BANDS; band++)
+	for (band = 0; band < NUM_NL80211_BANDS; band++)
 		handle_band(wiphy, initiator, wiphy->bands[band]);
 
 	reg_process_beacons(wiphy);
@@ -1898,14 +1898,14 @@ static void handle_band_custom(struct wiphy *wiphy,
 void wiphy_apply_custom_regulatory(struct wiphy *wiphy,
 				   const struct ieee80211_regdomain *regd)
 {
-	enum ieee80211_band band;
+	enum nl80211_band band;
 	unsigned int bands_set = 0;
 
 	WARN(!(wiphy->regulatory_flags & REGULATORY_CUSTOM_REG),
 	     "wiphy should have REGULATORY_CUSTOM_REG\n");
 	wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
 
-	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+	for (band = 0; band < NUM_NL80211_BANDS; band++) {
 		if (!wiphy->bands[band])
 			continue;
 		handle_band_custom(wiphy, wiphy->bands[band], regd);
@@ -2337,7 +2337,7 @@ static void reg_process_self_managed_hints(void)
 	struct wiphy *wiphy;
 	const struct ieee80211_regdomain *tmp;
 	const struct ieee80211_regdomain *regd;
-	enum ieee80211_band band;
+	enum nl80211_band band;
 	struct regulatory_request request = {};
 
 	list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
@@ -2355,7 +2355,7 @@ static void reg_process_self_managed_hints(void)
 		rcu_assign_pointer(wiphy->regd, regd);
 		rcu_free_regdom(tmp);
 
-		for (band = 0; band < IEEE80211_NUM_BANDS; band++)
+		for (band = 0; band < NUM_NL80211_BANDS; band++)
 			handle_band_custom(wiphy, wiphy->bands[band], regd);
 
 		reg_process_ht_flags(wiphy);
@@ -2423,6 +2423,9 @@ int regulatory_hint_user(const char *alpha2,
 	if (WARN_ON(!alpha2))
 		return -EINVAL;
 
+	if (!is_world_regdom(alpha2) && !is_an_alpha2(alpha2))
+		return -EINVAL;
+
 	request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL);
 	if (!request)
 		return -ENOMEM;
@@ -2515,7 +2518,7 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2)
 }
 EXPORT_SYMBOL(regulatory_hint);
 
-void regulatory_hint_country_ie(struct wiphy *wiphy, enum ieee80211_band band,
+void regulatory_hint_country_ie(struct wiphy *wiphy, enum nl80211_band band,
 				const u8 *country_ie, u8 country_ie_len)
 {
 	char alpha2[2];
@@ -2615,11 +2618,11 @@ static void restore_alpha2(char *alpha2, bool reset_user)
 static void restore_custom_reg_settings(struct wiphy *wiphy)
 {
 	struct ieee80211_supported_band *sband;
-	enum ieee80211_band band;
+	enum nl80211_band band;
 	struct ieee80211_channel *chan;
 	int i;
 
-	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+	for (band = 0; band < NUM_NL80211_BANDS; band++) {
 		sband = wiphy->bands[band];
 		if (!sband)
 			continue;
@@ -2734,9 +2737,9 @@ void regulatory_hint_disconnect(void)
 
 static bool freq_is_chan_12_13_14(u16 freq)
 {
-	if (freq == ieee80211_channel_to_frequency(12, IEEE80211_BAND_2GHZ) ||
-	    freq == ieee80211_channel_to_frequency(13, IEEE80211_BAND_2GHZ) ||
-	    freq == ieee80211_channel_to_frequency(14, IEEE80211_BAND_2GHZ))
+	if (freq == ieee80211_channel_to_frequency(12, NL80211_BAND_2GHZ) ||
+	    freq == ieee80211_channel_to_frequency(13, NL80211_BAND_2GHZ) ||
+	    freq == ieee80211_channel_to_frequency(14, NL80211_BAND_2GHZ))
 		return true;
 	return false;
 }
@@ -2761,7 +2764,7 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy,
 
 	if (beacon_chan->beacon_found ||
 	    beacon_chan->flags & IEEE80211_CHAN_RADAR ||
-	    (beacon_chan->band == IEEE80211_BAND_2GHZ &&
+	    (beacon_chan->band == NL80211_BAND_2GHZ &&
 	     !freq_is_chan_12_13_14(beacon_chan->center_freq)))
 		return 0;
 
@@ -2813,7 +2816,7 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd)
 		power_rule = &reg_rule->power_rule;
 
 		if (reg_rule->flags & NL80211_RRF_AUTO_BW)
-			snprintf(bw, sizeof(bw), "%d KHz, %d KHz AUTO",
+			snprintf(bw, sizeof(bw), "%d KHz, %u KHz AUTO",
 				 freq_range->max_bandwidth_khz,
 				 reg_get_max_bandwidth(rd, reg_rule));
 		else