dev_attr_probe_port 3210 drivers/net/ethernet/ibm/ehea/ehea_main.c int ret = device_create_file(&dev->dev, &dev_attr_probe_port); dev_attr_probe_port 3221 drivers/net/ethernet/ibm/ehea/ehea_main.c device_remove_file(&dev->dev, &dev_attr_probe_port);