pr_info("mISDN: do not have informations about adapter at %s\n",
                        pci_name(pdev));
                kfree(card);
+               pci_disable_device(pdev);
                return -EINVAL;
        } else
                pr_notice("mISDN: found adapter %s at %s\n",
        pci_set_drvdata(pdev, card);
        err = setup_instance(card);
        if (err) {
-               pci_disable_device(card->pdev);
+               pci_disable_device(pdev);
                kfree(card);
                pci_set_drvdata(pdev, NULL);
        } else if (ent->driver_data == INF_SCT_1) {
                        sc = kzalloc(sizeof(struct inf_hw), GFP_KERNEL);
                        if (!sc) {
                                release_card(card);
+                               pci_disable_device(pdev);
                                return -ENOMEM;
                        }
                        sc->irq = card->irq;
                        sc->ci = card->ci + i;
                        err = setup_instance(sc);
                        if (err) {
+                               pci_disable_device(pdev);
                                kfree(sc);
                                release_card(card);
                                break;