diff --git a/drivers/mtd/maps/amd76xrom.c b/drivers/mtd/maps/amd76xrom.c
index 457e6ab7f3fb..0c3e0eb08b8d 100644
--- a/drivers/mtd/maps/amd76xrom.c
+++ b/drivers/mtd/maps/amd76xrom.c
@@ -152,6 +152,8 @@ static int amd76xrom_init_one(struct pci_dev *pdev,
 		printk(KERN_ERR MOD_NAME
 		       " %s(): Unable to register resource %pR - kernel bug?\n",
 		       __func__, &window->rsrc);
+		pci_dev_put(window->pdev);
+		window->pdev = NULL;
 		return -EBUSY;
 	}