[PATCH 1/1] x86/iommu: remove useless code

[Li, Zhen-Hua]

From: "Li, Zhen-Hua" <zhen-hual@xxxxxx>

In intel-iommu.c, the function dma_pte_addr does not change the
value of its parameter (pte). So it is useless if it nobody catches
its return value.

Signed-off-by: Li, Zhen-Hua <zhen-hual@xxxxxx>
---
 drivers/iommu/intel-iommu.c |    1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index b4f0e28..d9d378b 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -809,7 +809,6 @@ static struct dma_pte *pfn_to_dma_pte(struct dmar_domain *domain,
 				/* Someone else set it while we were thinking; use theirs. */
 				free_pgtable_page(tmp_page);
 			} else {
-				dma_pte_addr(pte);
 				domain_flush_cache(domain, pte, sizeof(*pte));
 			}
 		}
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/