diff options
Diffstat (limited to 'drivers/staging/iio/meter')
| -rw-r--r-- | drivers/staging/iio/meter/ade7753.c | 2 | ||||
| -rw-r--r-- | drivers/staging/iio/meter/ade7754.c | 2 | ||||
| -rw-r--r-- | drivers/staging/iio/meter/ade7759.c | 2 |
3 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c index f04ece7fbc2..3ccff189f25 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); diff --git a/drivers/staging/iio/meter/ade7754.c b/drivers/staging/iio/meter/ade7754.c index 6cee28a5e87..abb1e9c8d09 100644 --- a/drivers/staging/iio/meter/ade7754.c +++ b/drivers/staging/iio/meter/ade7754.c @@ -445,6 +445,8 @@ static ssize_t ade7754_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); 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, ret = strict_strtol(buf, 10, &val); if (ret) return ret; + if (val == 0) + return -EINVAL; mutex_lock(&indio_dev->mlock); |