diff options
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
-rw-r--r-- | drivers/iommu/intel-iommu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a2e1b7f14df2..b2bfb9594508 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1143,7 +1143,7 @@ next: } while (!first_pte_in_page(++pte) && pfn <= last_pfn); } -/* free page table pages. last level pte should already be cleared */ +/* clear last level (leaf) ptes and free page table pages. */ static void dma_pte_free_pagetable(struct dmar_domain *domain, unsigned long start_pfn, unsigned long last_pfn) @@ -2458,7 +2458,7 @@ static struct dmar_domain *get_domain_for_dev(struct device *dev, int gaw) } /* register PCI DMA alias device */ - if (req_id != dma_alias && dev_is_pci(dev)) { + if (dev_is_pci(dev) && req_id != dma_alias) { tmp = dmar_insert_one_dev_info(iommu, PCI_BUS_NUM(dma_alias), dma_alias & 0xff, NULL, domain); |