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iio: dmaengine-buffer: Use sysfs_emit()
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>
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@ -136,7 +136,7 @@ static ssize_t iio_dmaengine_buffer_get_length_align(struct device *dev,
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struct dmaengine_buffer *dmaengine_buffer =
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iio_buffer_to_dmaengine_buffer(buffer);
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return sprintf(buf, "%zu\n", dmaengine_buffer->align);
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return sysfs_emit(buf, "%zu\n", dmaengine_buffer->align);
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}
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static IIO_DEVICE_ATTR(length_align_bytes, 0444,
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