diff options
Diffstat (limited to 'drivers/staging/iio/meter/ade7753.c')
| -rw-r--r-- | drivers/staging/iio/meter/ade7753.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c index f04ece7fbc2f..3ccff189f258 100644 --- a/drivers/staging/iio/meter/ade7753.c +++ b/drivers/staging/iio/meter/ade7753.c @@ -425,6 +425,8 @@ static ssize_t ade7753_write_frequency(struct device *dev, ret = strict_strtol(buf, 10, &val); if (ret) return ret; + if (val == 0) + return -EINVAL; mutex_lock(&indio_dev->mlock); |