pwm: sysfs: Get return value from pwm_apply_state()
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: 39100ceea79f ("pwm: Switch to the atomic API") Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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@ -152,7 +152,7 @@ static ssize_t enable_store(struct device *child,
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goto unlock;
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}
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pwm_apply_state(pwm, &state);
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ret = pwm_apply_state(pwm, &state);
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unlock:
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mutex_unlock(&export->lock);
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