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iio: dmaengine-buffer: 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() for the `length_align_bytes` buffer attribute.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20211216185217.1054495-3-lars@metafoo.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Lars-Peter Clausen 2021-12-16 19:52:06 +01:00 committed by Jonathan Cameron
parent c3154def82
commit 0ce1a30cd7
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/buffer/industrialio-buffer-dmaengine.c
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@ -136,7 +136,7 @@ static ssize_t iio_dmaengine_buffer_get_length_align(struct device *dev,
struct dmaengine_buffer *dmaengine_buffer =
iio_buffer_to_dmaengine_buffer(buffer);
return sprintf(buf, "%zu\n", dmaengine_buffer->align);
return sysfs_emit(buf, "%zu\n", dmaengine_buffer->align);
}
static IIO_DEVICE_ATTR(length_align_bytes, 0444,