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>
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@ -71,7 +71,7 @@ static inline int is_dma_buf_file(struct file *file)
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* ops, or error in allocating struct dma_buf, will return negative error.
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*
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*/
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struct dma_buf *dma_buf_export(void *priv, struct dma_buf_ops *ops,
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struct dma_buf *dma_buf_export(void *priv, const struct dma_buf_ops *ops,
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size_t size, int flags)
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{
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struct dma_buf *dmabuf;
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@ -114,8 +114,8 @@ struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
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struct device *dev);
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void dma_buf_detach(struct dma_buf *dmabuf,
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struct dma_buf_attachment *dmabuf_attach);
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struct dma_buf *dma_buf_export(void *priv, struct dma_buf_ops *ops,
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size_t size, int flags);
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struct dma_buf *dma_buf_export(void *priv, const struct dma_buf_ops *ops,
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size_t size, int flags);
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int dma_buf_fd(struct dma_buf *dmabuf);
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struct dma_buf *dma_buf_get(int fd);
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void dma_buf_put(struct dma_buf *dmabuf);
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@ -138,8 +138,8 @@ static inline void dma_buf_detach(struct dma_buf *dmabuf,
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}
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static inline struct dma_buf *dma_buf_export(void *priv,
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struct dma_buf_ops *ops,
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size_t size, int flags)
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const struct dma_buf_ops *ops,
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size_t size, int flags)
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{
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return ERR_PTR(-ENODEV);
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}
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