573 	if (!chip || !chip->cdev) {  in gpiod_export()
651 	struct device *cdev;  in gpiod_export_link()  local
659 	cdev = class_find_device(&gpio_class, NULL, desc, match_export);  in gpiod_export_link()
660 	if (!cdev)  in gpiod_export_link()
663 	ret = sysfs_create_link(&dev->kobj, &cdev->kobj, name);  in gpiod_export_link()
664 	put_device(cdev);  in gpiod_export_link()
740 	chip->cdev = dev;  in gpiochip_sysfs_register()
751 	if (!chip->cdev)  in gpiochip_sysfs_unregister()
754 	device_unregister(chip->cdev);  in gpiochip_sysfs_unregister()
758 	chip->cdev = NULL;  in gpiochip_sysfs_unregister()
787 		if (chip->cdev)  in gpiolib_sysfs_init()