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;
 }