[bug report] pinctrl: mediatek: add pinctrl driver for MT7622 SoC

[Dan Carpenter]

Hello Sean Wang,

The patch d6ed93551320: "pinctrl: mediatek: add pinctrl driver for
MT7622 SoC" from Dec 12, 2017, leads to the following static checker
warning:

	drivers/pinctrl/mediatek/pinctrl-mt7622.c:1419 mtk_gpio_get()
	error: uninitialized symbol 'value'.

drivers/pinctrl/mediatek/pinctrl-mt7622.c
  1412  static int mtk_gpio_get(struct gpio_chip *chip, unsigned int gpio)
  1413  {
  1414          struct mtk_pinctrl *hw = dev_get_drvdata(chip->parent);
  1415          int value;
  1416  
  1417          mtk_hw_get_value(hw, gpio, PINCTRL_PIN_REG_DI, &value);
                ^^^^^^^^^^^^^^^^
No error handling.

  1418  
  1419          return !!value;
  1420  }

regards,
dan carpenter