diff --git a/MAINTAINERS b/MAINTAINERS
index 88bf36ab2b22a..85894787825e1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14644,6 +14644,7 @@ F:	drivers/iommu/s390-iommu.c
 
 S390 IUCV NETWORK LAYER
 M:	Julian Wiedmann <jwi@linux.ibm.com>
+M:	Karsten Graul <kgraul@linux.ibm.com>
 M:	Ursula Braun <ubraun@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index c75112ee7b97a..c7fade836d833 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -521,8 +521,10 @@ static int ism_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	ism->smcd = smcd_alloc_dev(&pdev->dev, dev_name(&pdev->dev), &ism_ops,
 				   ISM_NR_DMBS);
-	if (!ism->smcd)
+	if (!ism->smcd) {
+		ret = -ENOMEM;
 		goto err_resource;
+	}
 
 	ism->smcd->priv = ism;
 	ret = ism_dev_init(ism);