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pwm: sysfs: Get return value from pwm_apply_state()

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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.vz@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Fixes: 39100ceea7 ("pwm: Switch to the atomic API")
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Ryo Kodama 2016-06-08 10:58:23 +09:00 committed by Thierry Reding
parent ef2bf4997f
commit fe5aa34d6e
1 changed files with 1 additions and 1 deletions
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drivers/pwm/sysfs.c
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@ -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);