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iio: ad9523: Use sysfs_emit()

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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 device attributes of the ad9523
driver.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20211216185217.1054495-5-lars@metafoo.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Lars-Peter Clausen 2021-12-16 19:52:08 +01:00 committed by Jonathan Cameron
parent 9d5fcb8ffa
commit 48788715ac
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/frequency/ad9523.c
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@ -551,7 +551,7 @@ static ssize_t ad9523_show(struct device *dev,
mutex_lock(&st->lock);
ret = ad9523_read(indio_dev, AD9523_READBACK_0);
if (ret >= 0) {
ret = sprintf(buf, "%d\n", !!(ret & (1 <<
ret = sysfs_emit(buf, "%d\n", !!(ret & (1 <<
(u32)this_attr->address)));
}
mutex_unlock(&st->lock);