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Commit b117e038 authored Oct 08, 2017 by Christos Gkekas Committed by Joerg Roedel Oct 10, 2017

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 <chris.gekas@gmail.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

parent ec154bf5

drivers/iommu/intel-iommu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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,