From: Lars-Peter Clausen Date: Thu, 16 Dec 2021 18:52:06 +0000 (+0100) Subject: iio: dmaengine-buffer: Use sysfs_emit() X-Git-Tag: v6.1-rc5~1693^2~55^2~210 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0ce1a30cd7efa1d8f13fd5dd2a1e460ad49bfa41;p=platform%2Fkernel%2Flinux-starfive.git 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 Link: https://lore.kernel.org/r/20211216185217.1054495-3-lars@metafoo.de Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c index f8ce26a..f744b62 100644 --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c @@ -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,