iommu/vt-d: Remove the useless dma_pte_addr

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 5d86e932c8dc..cc2d22243fc0 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -849,13 +849,11 @@ static struct dma_pte *pfn_to_dma_pte(struct dmar_domain *domain,
 
                         domain_flush_cache(domain, tmp_page, VTD_PAGE_SIZE);
                         pteval = ((uint64_t)virt_to_dma_pfn(tmp_page) << VTD_PAGE_SHIFT) | DMA_PTE_READ | DMA_PTE_WRITE;
-                        if (cmpxchg64(&pte->val, 0ULL, pteval)) {
+                        if (cmpxchg64(&pte->val, 0ULL, pteval))
                                 /* Someone else set it while we were thinking; use theirs. */
                                 free_pgtable_page(tmp_page);
-                        } else {
-                                dma_pte_addr(pte);
+                        else
                                 domain_flush_cache(domain, pte, sizeof(*pte));
-                        }
                 }
                 if (level == 1)
                         break;