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/net2280.c b/drivers/usb/gadget/net2280.c
index e018623..b67ab67 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2768,7 +2768,7 @@
 	dev->gadget.is_dualspeed = 1;
 
 	/* the "gadget" abstracts/virtualizes the controller */
-	strcpy (dev->gadget.dev.bus_id, "gadget");
+	dev_set_name(&dev->gadget.dev, "gadget");
 	dev->gadget.dev.parent = &pdev->dev;
 	dev->gadget.dev.dma_mask = pdev->dev.dma_mask;
 	dev->gadget.dev.release = gadget_release;