Merge branch 'mac80211' into mac80211-next

Merge mac80211.git to get some changes that would otherwise
cause conflicts with new changes coming here.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

3 files changed, 20 insertions, 11 deletions

diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 85506f1d0789..7aaf7415dc4c 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -603,7 +603,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
 {
 	struct ieee80211_sta_ht_cap *ht_cap;
 	struct ieee80211_sta_vht_cap *vht_cap;
-	u32 width, control_freq;
+	u32 width, control_freq, cap;
 
 	if (WARN_ON(!cfg80211_chandef_valid(chandef)))
 		return false;
@@ -643,7 +643,8 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
 			return false;
 		break;
 	case NL80211_CHAN_WIDTH_80P80:
-		if (!(vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))
+		cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
+		if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)
 			return false;
 	case NL80211_CHAN_WIDTH_80:
 		if (!vht_cap->vht_supported)
@@ -654,7 +655,9 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
 	case NL80211_CHAN_WIDTH_160:
 		if (!vht_cap->vht_supported)
 			return false;
-		if (!(vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ))
+		cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
+		if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ &&
+		    cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)
 			return false;
 		prohibited_flags |= IEEE80211_CHAN_NO_160MHZ;
 		width = 160;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 049f505e5660..ad3e294acabe 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -6128,7 +6128,7 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
 		}
 
 		/* there was no other matchset, so the RSSI one is alone */
-		if (i == 0)
+		if (i == 0 && n_match_sets)
 			request->match_sets[0].rssi_thold = default_match_rssi;
 
 		request->min_rssi_thold = INT_MAX;
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 9a5411cdf5e8..8d232b904210 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1552,9 +1552,15 @@ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev)
 		ret = cfg80211_reg_can_beacon(wiphy,
 					      &wdev->chandef, wdev->iftype);
 		break;
+	case NL80211_IFTYPE_ADHOC:
+		if (!wdev->ssid_len)
+			goto out;
+
+		ret = cfg80211_reg_can_beacon(wiphy,
+					      &wdev->chandef, wdev->iftype);
+		break;
 	case NL80211_IFTYPE_STATION:
 	case NL80211_IFTYPE_P2P_CLIENT:
-	case NL80211_IFTYPE_ADHOC:
 		if (!wdev->current_bss ||
 		    !wdev->current_bss->pub.channel)
 			goto out;
@@ -1920,7 +1926,7 @@ static enum reg_request_treatment
 reg_process_hint_driver(struct wiphy *wiphy,
 			struct regulatory_request *driver_request)
 {
-	const struct ieee80211_regdomain *regd;
+	const struct ieee80211_regdomain *regd, *tmp;
 	enum reg_request_treatment treatment;
 
 	treatment = __reg_process_hint_driver(driver_request);
@@ -1940,7 +1946,10 @@ reg_process_hint_driver(struct wiphy *wiphy,
 			reg_free_request(driver_request);
 			return REG_REQ_IGNORE;
 		}
+
+		tmp = get_wiphy_regdom(wiphy);
 		rcu_assign_pointer(wiphy->regd, regd);
+		rcu_free_regdom(tmp);
 	}
 
 
@@ -1999,11 +2008,8 @@ __reg_process_hint_country_ie(struct wiphy *wiphy,
 			return REG_REQ_IGNORE;
 		return REG_REQ_ALREADY_SET;
 	}
-	/*
-	 * Two consecutive Country IE hints on the same wiphy.
-	 * This should be picked up early by the driver/stack
-	 */
-	if (WARN_ON(regdom_changes(country_ie_request->alpha2)))
+
+	if (regdom_changes(country_ie_request->alpha2))
 		return REG_REQ_OK;
 	return REG_REQ_ALREADY_SET;
 }