diff options
Diffstat (limited to 'drivers/gpio/gpiolib-sysfs.c')
| -rw-r--r-- | drivers/gpio/gpiolib-sysfs.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c index 1acfa43bf1ab..4a3aa09dad9d 100644 --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c @@ -134,17 +134,15 @@ static ssize_t value_store(struct device *dev, long value; status = kstrtol(buf, 0, &value); + if (status) + return status; guard(mutex)(&data->mutex); - if (!test_bit(FLAG_IS_OUT, &desc->flags)) - return -EPERM; - + status = gpiod_set_value_cansleep(desc, value); if (status) return status; - gpiod_set_value_cansleep(desc, value); - return size; } static DEVICE_ATTR_PREALLOC(value, S_IWUSR | S_IRUGO, value_show, value_store); |