USB: usb dev_set_name() instead of dev->bus_id

The bus_id field is going away, use the dev_set_name() function
to set it properly.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index b36ad24..21d1406 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -862,7 +862,7 @@
 	/* maybe claim OTG support, though we won't complete HNP */
 	dum->gadget.is_otg = (dummy_to_hcd(dum)->self.otg_port != 0);
 
-	strcpy (dum->gadget.dev.bus_id, "gadget");
+	dev_set_name(&dum->gadget.dev, "gadget");
 	dum->gadget.dev.parent = &pdev->dev;
 	dum->gadget.dev.release = dummy_gadget_release;
 	rc = device_register (&dum->gadget.dev);