Message ID | tencent_A3850F2901FD5B80E831ABE7C27144509C0A@qq.com |
---|---|
State | Accepted |
Commit | c84eab5850d11bea546491bb1798039448971141 |
Headers | show |
Series | [v2] gpio: merrifield: check the return value of devm_kstrdup() | expand |
diff --git a/drivers/gpio/gpio-merrifield.c b/drivers/gpio/gpio-merrifield.c index 42c4d9d..f3d1bae 100644 --- a/drivers/gpio/gpio-merrifield.c +++ b/drivers/gpio/gpio-merrifield.c @@ -409,6 +409,9 @@ static int mrfld_gpio_add_pin_ranges(struct gpio_chip *chip) int retval; pinctrl_dev_name = mrfld_gpio_get_pinctrl_dev_name(priv); + if (!pinctrl_dev_name) + return -ENOMEM; + for (i = 0; i < ARRAY_SIZE(mrfld_gpio_ranges); i++) { range = &mrfld_gpio_ranges[i]; retval = gpiochip_add_pin_range(&priv->chip, pinctrl_dev_name,