1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index ac4adb337038..0639b9274b11 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -678,15 +678,17 @@ static struct iommu_group *iommu_group_get_for_pci_dev(struct pci_dev *pdev)
  */
 struct iommu_group *iommu_group_get_for_dev(struct device *dev)
 {
-        struct iommu_group *group = ERR_PTR(-EIO);
+        struct iommu_group *group;
         int ret;
 
         group = iommu_group_get(dev);
         if (group)
                 return group;
 
-        if (dev_is_pci(dev))
-                group = iommu_group_get_for_pci_dev(to_pci_dev(dev));
+        if (!dev_is_pci(dev))
+                return ERR_PTR(-EINVAL);
+
+        group = iommu_group_get_for_pci_dev(to_pci_dev(dev));
 
         if (IS_ERR(group))
                 return group;