diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 22470a3b182f0ba04c9a724d1fb26fc716bc19de..f5bd4229b19281fed466b3699c8dd49624371963 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -5824,7 +5824,7 @@ static int __init qeth_core_init(void)
 	if (rc)
 		goto out_err;
 	qeth_core_root_dev = root_device_register("qeth");
-	rc = PTR_RET(qeth_core_root_dev);
+	rc = PTR_ERR_OR_ZERO(qeth_core_root_dev);
 	if (rc)
 		goto register_err;
 	qeth_core_header_cache = kmem_cache_create("qeth_hdr",