lguest: struct device - replace bus_id with dev_name()

bus_id is gradually being removed, so use dev_name() instead.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index b02f6bc..915da6b 100644
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -272,7 +272,7 @@
 	 * the interrupt as a source of randomness: it'd be nice to have that
 	 * back.. */
 	err = request_irq(lvq->config.irq, vring_interrupt, IRQF_SHARED,
-			  vdev->dev.bus_id, vq);
+			  dev_name(&vdev->dev), vq);
 	if (err)
 		goto destroy_vring;