diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index eb9d9e53c536..f785d24fcf23 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -2009,6 +2009,11 @@ static int dsa_slave_changeupper(struct net_device *dev,
 			err = dsa_port_bridge_join(dp, info->upper_dev, extack);
 			if (!err)
 				dsa_bridge_mtu_normalization(dp);
+			if (err == -EOPNOTSUPP) {
+				NL_SET_ERR_MSG_MOD(extack,
+						   "Offloading not supported");
+				err = 0;
+			}
 			err = notifier_from_errno(err);
 		} else {
 			dsa_port_bridge_leave(dp, info->upper_dev);
diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index fd1a1c6bf9cf..dd042fd7f800 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -92,8 +92,10 @@ static int dsa_switch_bridge_join(struct dsa_switch *ds,
 	struct dsa_switch_tree *dst = ds->dst;
 	int err;
 
-	if (dst->index == info->tree_index && ds->index == info->sw_index &&
-	    ds->ops->port_bridge_join) {
+	if (dst->index == info->tree_index && ds->index == info->sw_index) {
+		if (!ds->ops->port_bridge_join)
+			return -EOPNOTSUPP;
+
 		err = ds->ops->port_bridge_join(ds, info->port, info->br);
 		if (err)
 			return err;