diff options
| -rw-r--r-- | drivers/iio/adc/ad799x.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c index 3040575793a2..9a12e562c259 100644 --- a/drivers/iio/adc/ad799x.c +++ b/drivers/iio/adc/ad799x.c @@ -335,6 +335,7 @@ static ssize_t ad799x_read_frequency(struct device *dev, struct ad799x_state *st = iio_priv(indio_dev); int ret = i2c_smbus_read_byte_data(st->client, AD7998_CYCLE_TMR_REG); + if (ret < 0) return ret; |