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Commit 34eab43e authored by Thierry Reding's avatar Thierry Reding
Browse files

drm/prime: Use unsigned type for number of pages 



The number of pages can never be negative, so an unsigned type is
enough. This also matches the type of the n_pages argument of the
sg_alloc_table_from_pages() function.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent c6a84325

drivers/gpu/drm/drm_prime.c

+1 −1
Original line number Diff line number Diff line
@@ -669,7 +669,7 @@ int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 
 * the driver is responsible for mapping the pages into the

 * importers address space for use with dma_buf itself.

 */

struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages)

struct sg_table *drm_prime_pages_to_sg(struct page **pages, unsigned int nr_pages)

{

	struct sg_table *sg = NULL;

	int ret;

include/drm/drmP.h

+1 −1
Original line number Diff line number Diff line
@@ -986,7 +986,7 @@ extern void drm_gem_dmabuf_release(struct dma_buf *dma_buf); 


extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,

					    dma_addr_t *addrs, int max_pages);

extern struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages);

extern struct sg_table *drm_prime_pages_to_sg(struct page **pages, unsigned int nr_pages);

extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);