1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 3e8636f1220e..bb05fc50ee2e 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -901,6 +901,13 @@ static struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devf
                 struct pci_dev *pf_pdev;
 
                 pdev = to_pci_dev(dev);
+
+#ifdef CONFIG_X86
+                /* VMD child devices currently cannot be handled individually */
+                if (is_vmd(pdev->bus))
+                        return NULL;
+#endif
+
                 /* VFs aren't listed in scope tables; we need to look up
                  * the PF instead to find the IOMMU. */
                 pf_pdev = pci_physfn(pdev);