diff --git a/drivers/iommu/amd/iommu_v2.c b/drivers/iommu/amd/iommu_v2.c
index a45c5536d250..c96cf9b21719 100644
--- a/drivers/iommu/amd/iommu_v2.c
+++ b/drivers/iommu/amd/iommu_v2.c
@@ -588,6 +588,7 @@ out_drop_state:
 	put_device_state(dev_state);
 
 out:
+	pci_dev_put(pdev);
 	return ret;
 }