diff options
author | Dave Airlie <airlied@redhat.com> | 2013-12-16 18:22:26 -0500 |
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committer | Dave Airlie <airlied@redhat.com> | 2013-12-16 18:22:26 -0500 |
commit | f1cd6594496aa4dc3b816794b4e781058f99867c (patch) | |
tree | c415543b4ff0c2192b38577459c581ee1238a954 | |
parent | b25b4427e9dfba073cf9bc86603956ed395eb6e3 (diff) | |
parent | d386735588c3e22129c2bc6eb64fc1d37a8f805c (diff) |
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
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_vm.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index b249ab9b1eb2..6440eeac22d2 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c | |||
@@ -169,9 +169,9 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) | |||
169 | } | 169 | } |
170 | 170 | ||
171 | page_offset = ((address - vma->vm_start) >> PAGE_SHIFT) + | 171 | page_offset = ((address - vma->vm_start) >> PAGE_SHIFT) + |
172 | drm_vma_node_start(&bo->vma_node) - vma->vm_pgoff; | 172 | vma->vm_pgoff - drm_vma_node_start(&bo->vma_node); |
173 | page_last = vma_pages(vma) + | 173 | page_last = vma_pages(vma) + vma->vm_pgoff - |
174 | drm_vma_node_start(&bo->vma_node) - vma->vm_pgoff; | 174 | drm_vma_node_start(&bo->vma_node); |
175 | 175 | ||
176 | if (unlikely(page_offset >= bo->num_pages)) { | 176 | if (unlikely(page_offset >= bo->num_pages)) { |
177 | retval = VM_FAULT_SIGBUS; | 177 | retval = VM_FAULT_SIGBUS; |