struct pmic_gpio_state,
chip);
- if (fwspec->param_count != 2 || fwspec->param[0] >= state->chip.ngpio)
+ if (fwspec->param_count != 2 ||
+ fwspec->param[0] < 1 || fwspec->param[0] > state->chip.ngpio)
return -EINVAL;
*hwirq = fwspec->param[0] - PMIC_GPIO_PHYSICAL_OFFSET;