sysfs_emit() is preferred over raw s*printf() for sysfs attributes since it knows about the sysfs buffer specifics and has some built-in checks for size and alignment. Use sysfs_emit() to format the custom `noise_level_tripped` device attribute of the as3935 driver. Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx> --- drivers/iio/proximity/as3935.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index d62766b6b39e..3eb40aa0b1e0 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -122,7 +122,7 @@ static ssize_t as3935_sensor_sensitivity_show(struct device *dev, return ret; val = (val & AS3935_AFE_MASK) >> 1; - return sprintf(buf, "%d\n", val); + return sysfs_emit(buf, "%d\n", val); } static ssize_t as3935_sensor_sensitivity_store(struct device *dev, @@ -153,7 +153,7 @@ static ssize_t as3935_noise_level_tripped_show(struct device *dev, int ret; mutex_lock(&st->lock); - ret = sprintf(buf, "%d\n", !time_after(jiffies, st->noise_tripped + HZ)); + ret = sysfs_emit(buf, "%d\n", !time_after(jiffies, st->noise_tripped + HZ)); mutex_unlock(&st->lock); return ret; -- 2.30.2