From: Ryo Kodama <ryo.kodama.vz@xxxxxxxxxxx> 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@xxxxxxxxxxx> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> --- 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
