This allows drivers to make the dma buf operations structure constant.
Signed-off-by: Laurent Pinchart laurent.pinchart@ideasonboard.com --- drivers/base/dma-buf.c | 2 +- include/linux/dma-buf.h | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/base/dma-buf.c b/drivers/base/dma-buf.c index e38ad24..965833ac 100644 --- a/drivers/base/dma-buf.c +++ b/drivers/base/dma-buf.c @@ -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. * */ -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) { struct dma_buf *dmabuf; diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index f8ac076..86f6241 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -114,8 +114,8 @@ struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf, struct device *dev); void dma_buf_detach(struct dma_buf *dmabuf, struct dma_buf_attachment *dmabuf_attach); -struct dma_buf *dma_buf_export(void *priv, struct dma_buf_ops *ops, - size_t size, int flags); +struct dma_buf *dma_buf_export(void *priv, const struct dma_buf_ops *ops, + size_t size, int flags); int dma_buf_fd(struct dma_buf *dmabuf); struct dma_buf *dma_buf_get(int fd); void dma_buf_put(struct dma_buf *dmabuf); @@ -138,8 +138,8 @@ static inline void dma_buf_detach(struct dma_buf *dmabuf, }
static inline struct dma_buf *dma_buf_export(void *priv, - struct dma_buf_ops *ops, - size_t size, int flags) + const struct dma_buf_ops *ops, + size_t size, int flags) { return ERR_PTR(-ENODEV); }