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>
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 78ca308..e15882f 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -669,7 +669,7 @@
* 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;
