[PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages"

From	Thomas Meyer <thomas@m3y3r.de>
Newsgroups	linux.kernel
Subject	[PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages"
Date	2017-09-21 00:40 +0200
Message-ID	<urVOW-J7-11@gated-at.bofh.it> (permalink)
References	<urVOV-J7-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
---

diff -u -p a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
--- 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_
 {
 	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;

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[PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages" Thomas Meyer <thomas@m3y3r.de> - 2017-09-21 00:40 +0200
  Re: [PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages" Mark yao <mark.yao@rock-chips.com> - 2017-09-21 03:10 +0200
    Re: [PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages" Daniel Vetter <daniel@ffwll.ch> - 2017-09-26 07:20 +0200
      Re: [PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages" Mark yao <mark.yao@rock-chips.com> - 2017-09-26 08:40 +0200
        Re: [PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages" Daniel Vetter <daniel@ffwll.ch> - 2017-09-26 10:10 +0200
          Re: [PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages" Mark yao <mark.yao@rock-chips.com> - 2017-09-26 11:10 +0200

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