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iommu/vt-d: Simplify iommu check in domain_remove_one_dev_info()

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Now we store the iommu in the device_domain_info, we don't need to do a
lookup.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
David Woodhouse 2014-03-09 13:52:37 -07:00
parent 5a8f40e8c8
commit 8bbc441012
1 changed files with 1 additions and 2 deletions
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3
drivers/iommu/intel-iommu.c
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@ -4056,8 +4056,7 @@ static void domain_remove_one_dev_info(struct dmar_domain *domain,
* owned by this domain, clear this iommu in iommu_bmp
* update iommu count and coherency
*/
if (iommu == device_to_iommu(info->segment, info->bus,
info->devfn))
if (info->iommu == iommu)
found = 1;
}