[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/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index e3b5c4d..9088de8 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -67,7 +67,7 @@
 		return 0;
 	}
 	/* Print device number. */
-	seq_printf(m, "%s", device->cdev->dev.bus_id);
+	seq_printf(m, "%s", dev_name(&device->cdev->dev));
 	/* Print discipline string. */
 	if (device != NULL && device->discipline != NULL)
 		seq_printf(m, "(%s)", device->discipline->name);