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/core/usb.c b/drivers/usb/core/usb.c
index 3aca6d5..84fcaa6 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -316,7 +316,7 @@
 		dev->devpath[0] = '0';
 
 		dev->dev.parent = bus->controller;
-		sprintf(&dev->dev.bus_id[0], "usb%d", bus->busnum);
+		dev_set_name(&dev->dev, "usb%d", bus->busnum);
 		root_hub = 1;
 	} else {
 		/* match any labeling on the hubs; it's one-based */
@@ -328,8 +328,7 @@
 				"%s.%d", parent->devpath, port1);
 
 		dev->dev.parent = &parent->dev;
-		sprintf(&dev->dev.bus_id[0], "%d-%s",
-			bus->busnum, dev->devpath);
+		dev_set_name(&dev->dev, "%d-%s", bus->busnum, dev->devpath);
 
 		/* hub driver sets up TT records */
 	}