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

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>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 8303f256fe84..dc322d0238a0 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -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;
         }