diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 334213571ad0..44049733c4ea 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1504,6 +1504,8 @@ int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
 	enum ieee80211_smps_mode old_req;
 	int err;
 
+	lockdep_assert_held(&sdata->u.mgd.mtx);
+
 	old_req = sdata->u.mgd.req_smps;
 	sdata->u.mgd.req_smps = smps_mode;
 
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index dacace6b1393..9ea7c0d0103f 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -177,9 +177,9 @@ static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
 	if (sdata->vif.type != NL80211_IFTYPE_STATION)
 		return -EOPNOTSUPP;
 
-	mutex_lock(&local->iflist_mtx);
+	mutex_lock(&sdata->u.mgd.mtx);
 	err = __ieee80211_request_smps(sdata, smps_mode);
-	mutex_unlock(&local->iflist_mtx);
+	mutex_unlock(&sdata->u.mgd.mtx);
 
 	return err;
 }