From: Christos Gkekas Date: Sun, 8 Oct 2017 22:33:31 +0000 (+0100) Subject: iommu/vt-d: Delete unnecessary check in domain_context_mapping_one() X-Git-Tag: v5.15~10028^2^5~1^5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b117e0380513c186065f247a9af09dc0cd3e703d;p=platform%2Fkernel%2Flinux-starfive.git 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 --- diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 934cef9..1dab9f7 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,