diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 05f3d93cf480..db391dd779c0 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -591,6 +591,7 @@ out_drop_state:
 	put_device_state(dev_state);
 
 out:
+	pci_dev_put(pdev);
 	return ret;
 }