Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.4 01/18] gpio: arizona: handle pm_runtime_get_sync failure case | Date | Tue, 14 Jul 2020 10:38:57 -0400 |
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From: Navid Emamdoost <navid.emamdoost@gmail.com>
[ Upstream commit e6f390a834b56583e6fc0949822644ce92fbb107 ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpio/gpio-arizona.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpio/gpio-arizona.c b/drivers/gpio/gpio-arizona.c index 5640efe5e7504..7520a13b4c7ca 100644 --- a/drivers/gpio/gpio-arizona.c +++ b/drivers/gpio/gpio-arizona.c @@ -106,6 +106,7 @@ static int arizona_gpio_direction_out(struct gpio_chip *chip, ret = pm_runtime_get_sync(chip->parent); if (ret < 0) { dev_err(chip->parent, "Failed to resume: %d\n", ret); + pm_runtime_put(chip->parent); return ret; } } -- 2.25.1
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