diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index 9f02ee5f08be..34e5acff3935 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -3,7 +3,7 @@
  * Some IBSS support code for cfg80211.
  *
  * Copyright 2009	Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
  */
 
 #include <linux/etherdevice.h>
@@ -94,6 +94,9 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
 
 	lockdep_assert_held(&rdev->wiphy.mtx);
 
+	if (wdev->cac_started)
+		return -EBUSY;
+
 	if (wdev->u.ibss.ssid_len)
 		return -EALREADY;
 
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index 83306979fbe2..aaca65b66af4 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
  * Portions
- * Copyright (C) 2022-2023 Intel Corporation
+ * Copyright (C) 2022-2024 Intel Corporation
  */
 #include <linux/ieee80211.h>
 #include <linux/export.h>
@@ -127,6 +127,9 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
 	if (!rdev->ops->join_mesh)
 		return -EOPNOTSUPP;
 
+	if (wdev->cac_started)
+		return -EBUSY;
+
 	if (!setup->chandef.chan) {
 		/* if no channel explicitly given, use preset channel */
 		setup->chandef = wdev->u.mesh.preset_chandef;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 93c313149f57..6ba988a6f5a2 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5964,6 +5964,9 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
 	if (!rdev->ops->start_ap)
 		return -EOPNOTSUPP;
 
+	if (wdev->cac_started)
+		return -EBUSY;
+
 	if (wdev->links[link_id].ap.beacon_interval)
 		return -EALREADY;
 
@@ -9956,6 +9959,17 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
 
 	flush_delayed_work(&rdev->dfs_update_channels_wk);
 
+	switch (wdev->iftype) {
+	case NL80211_IFTYPE_AP:
+	case NL80211_IFTYPE_P2P_GO:
+	case NL80211_IFTYPE_MESH_POINT:
+	case NL80211_IFTYPE_ADHOC:
+		break;
+	default:
+		/* caution - see cfg80211_beaconing_iface_active() below */
+		return -EINVAL;
+	}
+
 	wiphy_lock(wiphy);
 
 	dfs_region = reg_get_dfs_region(wiphy);
@@ -9986,12 +10000,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
 		goto unlock;
 	}
 
-	if (netif_carrier_ok(dev)) {
-		err = -EBUSY;
-		goto unlock;
-	}
-
-	if (wdev->cac_started) {
+	if (cfg80211_beaconing_iface_active(wdev) || wdev->cac_started) {
 		err = -EBUSY;
 		goto unlock;
 	}