diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index af71b863809832f6dada9069b5c1f6a6f1513d4d..24845514598201f36b6e167ebf26244cf49f0882 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -427,7 +427,7 @@ static int dsa_switch_lag_join(struct dsa_switch *ds,
 						   info->port, info->lag,
 						   info->info);
 
-	return 0;
+	return -EOPNOTSUPP;
 }
 
 static int dsa_switch_lag_leave(struct dsa_switch *ds,
@@ -440,7 +440,7 @@ static int dsa_switch_lag_leave(struct dsa_switch *ds,
 		return ds->ops->crosschip_lag_leave(ds, info->sw_index,
 						    info->port, info->lag);
 
-	return 0;
+	return -EOPNOTSUPP;
 }
 
 static int dsa_switch_mdb_add(struct dsa_switch *ds,