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iommu/vt-d: Fix a variable set but not used 

The commit "iommu/vt-d: Delegate the dma domain to upper layer" left an
unused variable,

drivers/iommu/intel-iommu.c: In function 'disable_dmar_iommu':
drivers/iommu/intel-iommu.c:1652:23: warning: variable 'domain' set but
not used [-Wunused-but-set-variable]

Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Qian Cai 2019-05-31 16:16:02 -04:00 committed by Joerg Roedel
parent f34e1176df
commit e314a7c92b
1 changed files with 0 additions and 4 deletions
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4
drivers/iommu/intel-iommu.c
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@ -1649,16 +1649,12 @@ static void disable_dmar_iommu(struct intel_iommu *iommu)
spin_lock_irqsave(&device_domain_lock, flags); spin_lock_irqsave(&device_domain_lock, flags);
list_for_each_entry_safe(info, tmp, &device_domain_list, global) { list_for_each_entry_safe(info, tmp, &device_domain_list, global) {
struct dmar_domain *domain;
if (info->iommu != iommu) if (info->iommu != iommu)
continue; continue;
if (!info->dev || !info->domain) if (!info->dev || !info->domain)
continue; continue;
domain = info->domain;
__dmar_remove_one_dev_info(info); __dmar_remove_one_dev_info(info);
} }
spin_unlock_irqrestore(&device_domain_lock, flags); spin_unlock_irqrestore(&device_domain_lock, flags);