[PATCH] Audit and minor cleanups in drivers/usb/*

- if usb_register fails report back its return code rather than -1

drivers/usb/misc/brlvger.c

@@ -249,17 +249,20 @@ static struct usb_driver brlvger_driver =
 static int
 __init brlvger_init (void)
 {
+	int retval;
 	printk(BANNER);
 
 	if(stall_tries < 1 || write_repeats < 1)
 	  return -EINVAL;
 
-	if (usb_register(&brlvger_driver)) {
+	retval = usb_register(&brlvger_driver);
+	if (retval) {
 		err("USB registration failed");
-		return -ENOSYS;
+		goto out;
 	}
 
-	return 0;
+out:
+	return retval;
 }
 
 static void