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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-13 11:35:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-13 11:35:50 -0700
commit7b11428d37fe65643172feff66cd0a4d72d1932a (patch)
treeb8eddab4b0170dfa2ff7c208431956efe7a616c0 /drivers/pci/intel-iommu.c
parentb8256b45d1245ad16221e8f965241267bd26c79d (diff)
parente523b38e2f568af58baa13120a994cbf24e6dee0 (diff)
downloadblackbird-obmc-linux-7b11428d37fe65643172feff66cd0a4d72d1932a.tar.gz
blackbird-obmc-linux-7b11428d37fe65643172feff66cd0a4d72d1932a.zip
Merge git://git.infradead.org/iommu-2.6
* git://git.infradead.org/iommu-2.6: intel-iommu: Avoid panic() for DRHD at address zero. Intel-IOMMU Alignment Issue in dma_pte_clear_range()
Diffstat (limited to 'drivers/pci/intel-iommu.c')
-rw-r--r--drivers/pci/intel-iommu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index fb3a3f3fca7a..001b328adf80 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -733,8 +733,8 @@ static void dma_pte_clear_range(struct dmar_domain *domain, u64 start, u64 end)
start &= (((u64)1) << addr_width) - 1;
end &= (((u64)1) << addr_width) - 1;
/* in case it's partial page */
- start = PAGE_ALIGN(start);
- end &= PAGE_MASK;
+ start &= PAGE_MASK;
+ end = PAGE_ALIGN(end);
npages = (end - start) / VTD_PAGE_SIZE;
/* we don't need lock here, nobody else touches the iova range */
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