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Subject[PATCH v2] gpio: rcar: handle pm_runtime_get_sync failure case
Date
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>
---
Changes in v2:
- use pm_runtime_put_noidle
---
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 7284473c9fe3..8fb9079a1d60 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_noidle(p->dev);
return error;
+ }

error = pinctrl_gpio_request(chip->base + offset);
if (error)
--
2.17.1
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