Commit 34eab43e authored Jun 04, 2014 by Thierry Reding

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: Thierry 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);