gpiochip_dup_line_label
char *label = gpiochip_dup_line_label(chip, offset);
char *label __free(kfree) = gpiochip_dup_line_label(gc, offset);
char *label __free(kfree) = gpiochip_dup_line_label(chip, i);
char *label __free(kfree) = gpiochip_dup_line_label(chip, i);
EXPORT_SYMBOL_GPL(gpiochip_dup_line_label);
char *label __free(kfree) = gpiochip_dup_line_label(chip, i);
char *label __free(kfree) = gpiochip_dup_line_label(chip, offset - 1);
char *label __free(kfree) = gpiochip_dup_line_label(chip, i);
char *gpiochip_dup_line_label(struct gpio_chip *gc, unsigned int offset);
for_each_if(!IS_ERR(_label = gpiochip_dup_line_label(_chip, _base + _i)))