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AMD IOMMU: fix WARN_ON in dma_ops unmap path

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Impact: minor fix

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel
2008-12-08 14:37:20 +01:00
parent 24f811603e
commit 8ad909c4c1
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/amd_iommu.c
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@@ -910,7 +910,7 @@ static void dma_ops_domain_unmap(struct amd_iommu *iommu,
if (address >= dom->aperture_size) if (address >= dom->aperture_size)
return; return;
WARN_ON(address & 0xfffULL || address > dom->aperture_size); WARN_ON(address & ~PAGE_MASK || address >= dom->aperture_size);
pte = dom->pte_pages[IOMMU_PTE_L1_INDEX(address)]; pte = dom->pte_pages[IOMMU_PTE_L1_INDEX(address)];
pte += IOMMU_PTE_L0_INDEX(address); pte += IOMMU_PTE_L0_INDEX(address);