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 ba51ea15f3794..485aa45fc5d53 100644 --- a/drivers/gpio/gpio-arizona.c +++ b/drivers/gpio/gpio-arizona.c @@ -111,6 +111,7 @@ 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; } }