From 5375764f9408b8ef1fb8d6cd1ed0efd97dce4824 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Thu, 26 Jan 2012 12:27:22 +0100
Subject: [PATCH] dma-buf: Constify ops argument to dma_buf_export()
This allows drivers to make the dma buf operations structure constant.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
---
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 e38ad243b4bb..965833acf0d2 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 f8ac076afa52..86f624141048 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);
}
--
2.34.1