1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index dcf051d53b74..98be0b55ac0b 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2235,10 +2235,10 @@ static int identity_mapping(struct pci_dev *pdev)
         if (likely(!iommu_identity_mapping))
                 return 0;
 
+        info = pdev->dev.archdata.iommu;
+        if (info && info != DUMMY_DEVICE_DOMAIN_INFO)
+                return (info->domain == si_domain);
 
-        list_for_each_entry(info, &si_domain->devices, link)
-                if (info->dev == pdev)
-                        return 1;
         return 0;
 }