提交 f1cd6594 编写于 作者: D Dave Airlie

Merge branch 'ttm-fixes-3.13' of git://people.freedesktop.org/~thomash/linux into drm-next

A single ttm vm fix.

* 'ttm-fixes-3.13' of git://people.freedesktop.org/~thomash/linux:
  drm/ttm: Fix accesses through vmas with only partial coverage
......@@ -169,9 +169,9 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
}
page_offset = ((address - vma->vm_start) >> PAGE_SHIFT) +
drm_vma_node_start(&bo->vma_node) - vma->vm_pgoff;
page_last = vma_pages(vma) +
drm_vma_node_start(&bo->vma_node) - vma->vm_pgoff;
vma->vm_pgoff - drm_vma_node_start(&bo->vma_node);
page_last = vma_pages(vma) + vma->vm_pgoff -
drm_vma_node_start(&bo->vma_node);
if (unlikely(page_offset >= bo->num_pages)) {
retval = VM_FAULT_SIGBUS;
......
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