From b117e0380513c186065f247a9af09dc0cd3e703d Mon Sep 17 00:00:00 2001 From: Christos Gkekas Date: Sun, 8 Oct 2017 23:33:31 +0100 Subject: iommu/vt-d: Delete unnecessary check in domain_context_mapping_one() Variable did_old is unsigned so checking whether it is greater or equal to zero is not necessary. Signed-off-by: Christos Gkekas Signed-off-by: Joerg Roedel --- drivers/iommu/intel-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/iommu') diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 934cef924461..1dab9f73a20b 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2058,7 +2058,7 @@ static int domain_context_mapping_one(struct dmar_domain *domain, if (context_copied(context)) { u16 did_old = context_domain_id(context); - if (did_old >= 0 && did_old < cap_ndoms(iommu->cap)) { + if (did_old < cap_ndoms(iommu->cap)) { iommu->flush.flush_context(iommu, did_old, (((u16)bus) << 8) | devfn, DMA_CCMD_MASK_NOBIT, -- cgit