diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 09d2e58a2ba7..fd1020e791d8 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3854,7 +3854,7 @@ static int ieee80211_set_qos_map(struct wiphy *wiphy,
 		new_qos_map = NULL;
 	}
 
-	old_qos_map = rtnl_dereference(sdata->qos_map);
+	old_qos_map = sdata_dereference(sdata->qos_map, sdata);
 	rcu_assign_pointer(sdata->qos_map, new_qos_map);
 	if (old_qos_map)
 		kfree_rcu(old_qos_map, rcu_head);
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 5618888853b2..329b0efb3ded 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -879,7 +879,9 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
 
 		dev->ieee80211_ptr->use_4addr = false;
 		dev->ieee80211_ptr->mesh_id_up_len = 0;
+		wdev_lock(dev->ieee80211_ptr);
 		rdev_set_qos_map(rdev, dev, NULL);
+		wdev_unlock(dev->ieee80211_ptr);
 
 		switch (otype) {
 		case NL80211_IFTYPE_AP: