133 	struct hsr_port *port, *master;  in hsr_add_port()  local
163 	master = hsr_port_get_hsr(hsr, HSR_PT_MASTER);  in hsr_add_port()
164 	netdev_update_features(master->dev);  in hsr_add_port()
165 	dev_set_mtu(master->dev, hsr_get_max_mtu(hsr));  in hsr_add_port()
177 	struct hsr_port *master;  in hsr_del_port()  local
180 	master = hsr_port_get_hsr(hsr, HSR_PT_MASTER);  in hsr_del_port()
183 	if (port != master) {  in hsr_del_port()
184 		if (master != NULL) {  in hsr_del_port()
185 			netdev_update_features(master->dev);  in hsr_del_port()
186 			dev_set_mtu(master->dev, hsr_get_max_mtu(hsr));  in hsr_del_port()
198 	if (port != master)  in hsr_del_port()