[PATCH] pwm: sysfs: get return value from pwm_apply_state()

[Yoshihiro Shimoda]

From: Ryo Kodama <ryo.kodama...@renesas.com>

This patch adds to check the return value from pwm_apply_state()
used in enable_store(). The error of enable_store() doesn't work
if the return value doesn't received.

Signed-off-by: Ryo Kodama <ryo.kodama...@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda...@renesas.com>
---
 drivers/pwm/sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c
index d985992..01695d4 100644
--- a/drivers/pwm/sysfs.c
+++ b/drivers/pwm/sysfs.c
@@ -152,7 +152,7 @@ static ssize_t enable_store(struct device *child,
                goto unlock;
        }
 
-       pwm_apply_state(pwm, &state);
+       ret = pwm_apply_state(pwm, &state);
 
 unlock:
        mutex_unlock(&export->lock);
-- 
1.9.1