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authorDave Airlie <airlied@redhat.com>2013-12-17 09:22:26 +1000
committerDave Airlie <airlied@redhat.com>2013-12-17 09:22:26 +1000
commitf1cd6594496aa4dc3b816794b4e781058f99867c (patch)
treec415543b4ff0c2192b38577459c581ee1238a954 /drivers/gpu
parentb25b4427e9dfba073cf9bc86603956ed395eb6e3 (diff)
parentd386735588c3e22129c2bc6eb64fc1d37a8f805c (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
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_vm.c6
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)
}
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;