diff options
Diffstat (limited to 'drivers/pwm/core.c')
| -rw-r--r-- | drivers/pwm/core.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 172ef8245811..cc12032ee60d 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -302,10 +302,12 @@ int pwmchip_add_with_polarity(struct pwm_chip *chip, if (IS_ENABLED(CONFIG_OF)) of_pwmchip_add(chip); - pwmchip_sysfs_export(chip); - out: mutex_unlock(&pwm_lock); + + if (!ret) + pwmchip_sysfs_export(chip); + return ret; } EXPORT_SYMBOL_GPL(pwmchip_add_with_polarity); @@ -339,7 +341,7 @@ int pwmchip_remove(struct pwm_chip *chip) unsigned int i; int ret = 0; - pwmchip_sysfs_unexport_children(chip); + pwmchip_sysfs_unexport(chip); mutex_lock(&pwm_lock); @@ -359,8 +361,6 @@ int pwmchip_remove(struct pwm_chip *chip) free_pwms(chip); - pwmchip_sysfs_unexport(chip); - out: mutex_unlock(&pwm_lock); return ret; @@ -858,6 +858,7 @@ void pwm_put(struct pwm_device *pwm) if (pwm->chip->ops->free) pwm->chip->ops->free(pwm->chip, pwm); + pwm_set_chip_data(pwm, NULL); pwm->label = NULL; module_put(pwm->chip->ops->owner); |