From: Dinghao Liu dinghao.liu@zju.edu.cn
[ Upstream commit 6f8cd246411575703d9312888b70705c396b53a9 ]
pm_runtime_get_sync() increments the runtime PM usage counter even when it returns an error code. Thus a pairing decrement is needed on the error handling path to keep the counter balanced.
Signed-off-by: Dinghao Liu dinghao.liu@zju.edu.cn Link: https://lore.kernel.org/r/20200522080839.32612-1-dinghao.liu@zju.edu.cn Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpio/gpio-rcar.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index 187984d26f47a..f0b6c68e848e3 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -250,8 +250,10 @@ static int gpio_rcar_request(struct gpio_chip *chip, unsigned offset) int error;
error = pm_runtime_get_sync(p->dev); - if (error < 0) + if (error < 0) { + pm_runtime_put(p->dev); return error; + }
error = pinctrl_gpio_request(chip->base + offset); if (error)