[Intel-gfx] [PATCH] drm/i915: remove the duplicated size check in i915_gem_dmabuf_mmap()

[Dongseong Hwang]

dma_buf_mmap_internal() already checks for overflowing the buffer's size.
In addition, the check in i915_gem_dmabuf_mmap() is incomplete, which doesn't
consider a page offset.
---
 drivers/gpu/drm/i915/i915_gem_dmabuf.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
index 6176e58..91fc456 100644
--- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
@@ -159,9 +159,6 @@ static int i915_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *
 	struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf);
 	int ret;
 
-	if (obj->base.size < vma->vm_end - vma->vm_start)
-		return -EINVAL;
-
 	if (!obj->base.filp)
 		return -ENODEV;
 
-- 
2.7.4