diff options
Diffstat (limited to 'drivers/gpio/stm32_gpio.c')
| -rw-r--r-- | drivers/gpio/stm32_gpio.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpio/stm32_gpio.c b/drivers/gpio/stm32_gpio.c index aa70b1d2a9..473e364796 100644 --- a/drivers/gpio/stm32_gpio.c +++ b/drivers/gpio/stm32_gpio.c @@ -295,6 +295,9 @@ static int gpio_stm32_probe(struct udevice *dev) ret = dev_read_phandle_with_args(dev, "gpio-ranges", NULL, 3, i, &args); + if (!ret && args.args_count < 3) + return -EINVAL; + if (ret == -ENOENT) { uc_priv->gpio_count = STM32_GPIOS_PER_BANK; priv->gpio_range = GENMASK(STM32_GPIOS_PER_BANK - 1, 0); @@ -308,6 +311,8 @@ static int gpio_stm32_probe(struct udevice *dev) ret = dev_read_phandle_with_args(dev, "gpio-ranges", NULL, 3, ++i, &args); + if (!ret && args.args_count < 3) + return -EINVAL; } dev_dbg(dev, "addr = 0x%p bank_name = %s gpio_count = %d gpio_range = 0x%x\n", |