[PATCH v4 09/17] iio: buffer: dmaengine: obtain buffer object from attribute

[Alexandru Ardelean]

The reference to the IIO buffer object is stored on the attribute object.
So we need to unwind it to obtain it.

Signed-off-by: Alexandru Ardelean <alexandru.ardel...@analog.com>
---
 drivers/iio/buffer/industrialio-buffer-dmaengine.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c 
b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
index b0cb9a35f5cd..1e9e8fdd0719 100644
--- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
+++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
@@ -133,8 +133,9 @@ static ssize_t iio_dmaengine_buffer_get_length_align(struct 
device *dev,
        struct device_attribute *attr, char *buf)
 {
        struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+       struct iio_buffer *buffer = to_iio_dev_attr(attr)->buffer;
        struct dmaengine_buffer *dmaengine_buffer =
-               iio_buffer_to_dmaengine_buffer(indio_dev->buffer);
+               iio_buffer_to_dmaengine_buffer(buffer);
 
        return sprintf(buf, "%zu\n", dmaengine_buffer->align);
 }
-- 
2.17.1