diff options
Diffstat (limited to 'drivers/staging/iio/meter/ade7759.c')
-rw-r--r-- | drivers/staging/iio/meter/ade7759.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/iio/meter/ade7759.c b/drivers/staging/iio/meter/ade7759.c index b3f7e0fa961..eb0a2a98f38 100644 --- a/drivers/staging/iio/meter/ade7759.c +++ b/drivers/staging/iio/meter/ade7759.c | |||
@@ -385,6 +385,8 @@ static ssize_t ade7759_write_frequency(struct device *dev, | |||
385 | ret = strict_strtol(buf, 10, &val); | 385 | ret = strict_strtol(buf, 10, &val); |
386 | if (ret) | 386 | if (ret) |
387 | return ret; | 387 | return ret; |
388 | if (val == 0) | ||
389 | return -EINVAL; | ||
388 | 390 | ||
389 | mutex_lock(&indio_dev->mlock); | 391 | mutex_lock(&indio_dev->mlock); |
390 | 392 | ||