drm/rockchip: Cocci spatch "vma_pages"

Use vma_pages function on vma object instead of explicit computation. Found by coccinelle spatch "api/vma_pages.cocci" Signed-off-by: Thomas Meyer <[email protected]> Signed-off-by: Mark Yao <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Kleist · Sep 26, 2017 · f2a44dd · f2a44dd
1 parent 3fbe2e1
commit f2a44dd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
@@ -220,7 +220,7 @@ static int rockchip_drm_gem_object_mmap_iommu(struct drm_gem_object *obj,
 {
 	struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj);
 	unsigned int i, count = obj->size >> PAGE_SHIFT;
-	unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+	unsigned long user_count = vma_pages(vma);
 	unsigned long uaddr = vma->vm_start;
 	unsigned long offset = vma->vm_pgoff;
 	unsigned long end = user_count + offset;