[S390] struct device - replace bus_id with dev_name(), dev_set_name()

Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 4e40083..fac8516 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1723,7 +1723,7 @@
 
 	bus_id = id;
 
-	return (strncmp(bus_id, dev_name(dev), BUS_ID_SIZE) == 0);
+	return (strcmp(bus_id, dev_name(dev)) == 0);
 }