diff options
Diffstat (limited to 'drivers/iio/light/tsl2583.c')
| -rw-r--r-- | drivers/iio/light/tsl2583.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/iio/light/tsl2583.c b/drivers/iio/light/tsl2583.c index 53fd423aa7ae..2d041b7530e6 100644 --- a/drivers/iio/light/tsl2583.c +++ b/drivers/iio/light/tsl2583.c @@ -7,10 +7,11 @@ * Copyright (c) 2016-2017 Brian Masney <masneyb@onstation.org> */ -#include <linux/kernel.h> #include <linux/i2c.h> #include <linux/errno.h> #include <linux/delay.h> +#include <linux/kernel.h> +#include <linux/kstrtox.h> #include <linux/string.h> #include <linux/mutex.h> #include <linux/unistd.h> @@ -483,9 +484,12 @@ static ssize_t in_illuminance_input_target_store(struct device *dev, { struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct tsl2583_chip *chip = iio_priv(indio_dev); - int value; + int value, ret; - if (kstrtoint(buf, 0, &value) || !value) + ret = kstrtoint(buf, 0, &value); + if (ret) + return ret; + if (!value) return -EINVAL; mutex_lock(&chip->als_mutex); @@ -503,7 +507,10 @@ static ssize_t in_illuminance_calibrate_store(struct device *dev, struct tsl2583_chip *chip = iio_priv(indio_dev); int value, ret; - if (kstrtoint(buf, 0, &value) || value != 1) + ret = kstrtoint(buf, 0, &value); + if (ret) + return ret; + if (value != 1) return -EINVAL; mutex_lock(&chip->als_mutex); |