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pinctrl: nomadik: silence uninitialized variable warning 

This is harmless, but "val" isn't necessarily initialized if
abx500_get_register_interruptible() fails.  I've re-arranged the code to
just return an error code in that situation.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Dan Carpenter 2018-08-08 15:04:49 +03:00 committed by Linus Walleij
parent 504c76979b
commit c2944a9a09
1 changed files with 6 additions and 5 deletions
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drivers/pinctrl/nomadik/pinctrl-abx500.c
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@ -101,15 +101,16 @@ static int abx500_gpio_get_bit(struct gpio_chip *chip, u8 reg,
reg += offset / 8;
ret = abx500_get_register_interruptible(pct->dev,
AB8500_MISC, reg, &val);
*bit = !!(val & BIT(pos));
if (ret < 0)
if (ret < 0) {
dev_err(pct->dev,
"%s read reg =%x, offset=%x failed (%d)\n",
__func__, reg, offset, ret);
return ret;
}
return ret;
*bit = !!(val & BIT(pos));
return 0;
}
static int abx500_gpio_set_bits(struct gpio_chip *chip, u8 reg,