diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib-sysfs.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c index 3b2465bbd5e7..ef34b8f56bd1 100644 --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c @@ -106,8 +106,12 @@ static ssize_t value_show(struct device *dev, mutex_lock(&data->mutex); - status = sprintf(buf, "%d\n", gpiod_get_value_cansleep(desc)); + status = gpiod_get_value_cansleep(desc); + if (status < 0) + goto err; + status = sprintf(buf, "%d\n", status); +err: mutex_unlock(&data->mutex); return status; |