[S390] bus_id -> dev_name conversions

bus_id -> dev_name() conversions in s390 code.

[cornelia.huck@de.ibm.com: minor adaptions]
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index c31faef..036e650 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -751,7 +751,7 @@
 	priv->class_device = device_create_drvdata(vmlogrdr_class, dev,
 						   MKDEV(vmlogrdr_major,
 							 priv->minor_num),
-						   priv, "%s", dev->bus_id);
+						   priv, "%s", dev_name(dev));
 	if (IS_ERR(priv->class_device)) {
 		ret = PTR_ERR(priv->class_device);
 		priv->class_device=NULL;