iommu/amd: Fix wrong shift direction

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>

diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index e803550868b8af90e2a781e94286ee4fbbaad6da..07735333eddc306a40753a43ffb302184fef9ba7 100644 (file)
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -1066,7 +1066,7 @@ static int alloc_new_range(struct dma_ops_domain *dma_dom,
                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);