diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index fa0cf1c3775d..751ff91af0ff 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -4241,8 +4241,10 @@ static inline bool has_external_pci(void)
 	struct pci_dev *pdev = NULL;
 
 	for_each_pci_dev(pdev)
-		if (pdev->external_facing)
+		if (pdev->external_facing) {
+			pci_dev_put(pdev);
 			return true;
+		}
 
 	return false;
 }