| Date | Wed, 09 Nov 2011 13:33:02 -0800 | From | Greg KH <> | Subject | [135/264] iommu/amd: Fix wrong shift direction |
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3.1-stable review patch. If anyone has any objections, please let me know.
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From: Joerg Roedel <joerg.roedel@amd.com>
commit fcd0861db1cf4e6ed99f60a815b7b72c2ed36ea4 upstream.
The shift direction was wrong because the function takes a page number and i is the address is the loop.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/iommu/amd_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -1283,7 +1283,7 @@ static int alloc_new_range(struct dma_op if (!pte || !IOMMU_PTE_PRESENT(*pte)) continue; - dma_ops_reserve_addresses(dma_dom, i << PAGE_SHIFT, 1); + dma_ops_reserve_addresses(dma_dom, i >> PAGE_SHIFT, 1); } update_domain(&dma_dom->domain);
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