diff options
Diffstat (limited to 'drivers/iio/chemical/sps30.c')
| -rw-r--r-- | drivers/iio/chemical/sps30.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/iio/chemical/sps30.c b/drivers/iio/chemical/sps30.c index 8e15baa31423..b47d08ab4d0f 100644 --- a/drivers/iio/chemical/sps30.c +++ b/drivers/iio/chemical/sps30.c @@ -15,6 +15,7 @@ #include <linux/iio/trigger_consumer.h> #include <linux/iio/triggered_buffer.h> #include <linux/kernel.h> +#include <linux/kstrtox.h> #include <linux/module.h> #include "sps30.h" @@ -193,7 +194,10 @@ static ssize_t start_cleaning_store(struct device *dev, struct sps30_state *state = iio_priv(indio_dev); int val, ret; - if (kstrtoint(buf, 0, &val) || val != 1) + ret = kstrtoint(buf, 0, &val); + if (ret) + return ret; + if (val != 1) return -EINVAL; guard(mutex)(&state->lock); @@ -230,8 +234,9 @@ static ssize_t cleaning_period_store(struct device *dev, struct device_attribute struct sps30_state *state = iio_priv(indio_dev); int val, ret; - if (kstrtoint(buf, 0, &val)) - return -EINVAL; + ret = kstrtoint(buf, 0, &val); + if (ret) + return ret; if ((val < SPS30_AUTO_CLEANING_PERIOD_MIN) || (val > SPS30_AUTO_CLEANING_PERIOD_MAX)) |