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| author |   Christos Gkekas <chris.gekas@gmail.com> | 2017-10-08 23:33:31 +0100 |
|---|---|---|
| committer |   Joerg Roedel <jroedel@suse.de> | 2017-10-10 14:09:50 +0200 |
| commit | b117e0380513c186065f247a9af09dc0cd3e703d (patch) | |
| tree | d048a031bce53f3deae60d610153ba1032f7968e /drivers/iommu | |
| parent | iommu/vt-d: Don't register bus-notifier under dmar_global_lock (diff) | |
| download | linux-dev-b117e0380513c186065f247a9af09dc0cd3e703d.tar.xz linux-dev-b117e0380513c186065f247a9af09dc0cd3e703d.zip | |
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>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
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, |