Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5375764f authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Sumit Semwal
Browse files

dma-buf: Constify ops argument to dma_buf_export() 



This allows drivers to make the dma buf operations structure constant.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarSumit Semwal <sumit.semwal@linaro.org>
parent c16fa4f2

drivers/base/dma-buf.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -71,7 +71,7 @@ static inline int is_dma_buf_file(struct file *file) 
 * ops, or error in allocating struct dma_buf, will return negative error.

 * ops, or error in allocating struct dma_buf, will return negative error.

 *

 *

 */

 */

struct dma_buf *dma_buf_export(void *priv, struct dma_buf_ops *ops,

struct dma_buf *dma_buf_export(void *priv, const struct dma_buf_ops *ops,

				size_t size, int flags)

				size_t size, int flags)

{

{

	struct dma_buf *dmabuf;

	struct dma_buf *dmabuf;

include/linux/dma-buf.h

+4 −4
Original line number Original line Diff line number Diff line
@@ -114,7 +114,7 @@ struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf, 
							struct device *dev);

							struct device *dev);

void dma_buf_detach(struct dma_buf *dmabuf,

void dma_buf_detach(struct dma_buf *dmabuf,

				struct dma_buf_attachment *dmabuf_attach);

				struct dma_buf_attachment *dmabuf_attach);

struct dma_buf *dma_buf_export(void *priv, struct dma_buf_ops *ops,

struct dma_buf *dma_buf_export(void *priv, const struct dma_buf_ops *ops,

			       size_t size, int flags);

			       size_t size, int flags);

int dma_buf_fd(struct dma_buf *dmabuf);

int dma_buf_fd(struct dma_buf *dmabuf);

struct dma_buf *dma_buf_get(int fd);

struct dma_buf *dma_buf_get(int fd);
@@ -138,7 +138,7 @@ static inline void dma_buf_detach(struct dma_buf *dmabuf, 
}

}





static inline struct dma_buf *dma_buf_export(void *priv,

static inline struct dma_buf *dma_buf_export(void *priv,

						struct dma_buf_ops *ops,

					     const struct dma_buf_ops *ops,

					     size_t size, int flags)

					     size_t size, int flags)

{

{

	return ERR_PTR(-ENODEV);

	return ERR_PTR(-ENODEV);