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gpio: arizona: handle pm_runtime_get_sync failure case

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Calling pm_runtime_get_sync increments the counter even in case of
failure, causing incorrect ref count. Call pm_runtime_put if
pm_runtime_get_sync fails.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20200605025207.65719-1-navid.emamdoost@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Navid Emamdoost 2020-06-04 21:52:07 -05:00 committed by Linus Walleij
parent b3a9e3b962
commit e6f390a834
1 changed files with 1 additions and 0 deletions
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drivers/gpio/gpio-arizona.c
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@ -106,6 +106,7 @@ static int arizona_gpio_direction_out(struct gpio_chip *chip,
ret = pm_runtime_get_sync(chip->parent); ret = pm_runtime_get_sync(chip->parent);
if (ret < 0) { if (ret < 0) {
dev_err(chip->parent, "Failed to resume: %d\n", ret); dev_err(chip->parent, "Failed to resume: %d\n", ret);
pm_runtime_put(chip->parent);
return ret; return ret;
} }
} }