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/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 0e4227f457af38c9e1c6fc6bf1e065b94e1e9c4f..cc79045bc5274c157bd90f746a947daebe8d5286 100644 (file)
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1283,7 +1283,7 @@ 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);