--- zzzz-none-000/linux-4.4.271/net/wireless/core.c	2021-06-03 06:22:09.000000000 +0000
+++ dakota-7530ac-750/linux-4.4.271/net/wireless/core.c	2023-01-11 09:25:44.000000000 +0000
@@ -3,6 +3,7 @@
  *
  * Copyright 2006-2010		Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
+ * Copyright 2015-2017	Intel Deutschland GmbH
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -640,6 +641,8 @@
 
 	/* sanity check supported bands/channels */
 	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+		u16 types = 0;
+
 		sband = wiphy->bands[band];
 		if (!sband)
 			continue;
@@ -684,6 +687,23 @@
 			sband->channels[i].band = band;
 		}
 
+		for (i = 0; i < sband->n_iftype_data; i++) {
+			const struct ieee80211_sband_iftype_data *iftd;
+
+			iftd = &sband->iftype_data[i];
+
+			if (WARN_ON(!iftd->types_mask))
+				return -EINVAL;
+			if (WARN_ON(types & iftd->types_mask))
+				return -EINVAL;
+
+			/* at least one piece of information must be present */
+			if (WARN_ON(!iftd->he_cap.has_he))
+				return -EINVAL;
+
+			types |= iftd->types_mask;
+		}
+
 		have_band = true;
 	}
 
@@ -948,6 +968,8 @@
 	case NUM_NL80211_IFTYPES:
 		/* invalid */
 		break;
+	default:
+		break;
 	}
 }
 
@@ -1040,6 +1062,8 @@
 		     wdev->iftype == NL80211_IFTYPE_P2P_CLIENT ||
 		     wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr)
 			dev->priv_flags |= IFF_DONT_BRIDGE;
+
+		INIT_WORK(&wdev->disconnect_wk, cfg80211_autodisconnect_wk);
 		break;
 	case NETDEV_GOING_DOWN:
 		cfg80211_leave(rdev, wdev);
@@ -1125,6 +1149,7 @@
 #ifdef CONFIG_CFG80211_WEXT
 			kzfree(wdev->wext.keys);
 #endif
+			flush_work(&wdev->disconnect_wk);
 		}
 		/*
 		 * synchronise (so that we won't find this netdev