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UPSTREAM: drm/rockchip: Cocci spatch "vma_pages"

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Use vma_pages function on vma object instead of explicit computation.
Found by coccinelle spatch "api/vma_pages.cocci"

Change-Id: Ib6158ac90566f57a23127283d9462306817599b8
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1505946334393-988165015-7-diffsplit-thomas@m3y3r.de
(cherry picked from commit f2a44dd023)
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
This commit is contained in:
Thomas Meyer 2017-09-21 00:29:36 +02:00 committed by Tao Huang
parent e41d630c8c
commit 9064923799
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/rockchip/rockchip_drm_gem.c
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@ -480,7 +480,7 @@ static int rockchip_drm_gem_object_mmap_shm(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;