From owner-svn-src-user@FreeBSD.ORG  Tue Sep 14 02:05:08 2010
Return-Path: <owner-svn-src-user@FreeBSD.ORG>
Delivered-To: svn-src-user@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 88C4A106564A;
	Tue, 14 Sep 2010 02:05:08 +0000 (UTC)
	(envelope-from weongyo@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 7816A8FC14;
	Tue, 14 Sep 2010 02:05:08 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o8E258kS055573;
	Tue, 14 Sep 2010 02:05:08 GMT (envelope-from weongyo@svn.freebsd.org)
Received: (from weongyo@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id o8E258aZ055571;
	Tue, 14 Sep 2010 02:05:08 GMT (envelope-from weongyo@svn.freebsd.org)
Message-Id: <201009140205.o8E258aZ055571@svn.freebsd.org>
From: Weongyo Jeong <weongyo@FreeBSD.org>
Date: Tue, 14 Sep 2010 02:05:08 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-user@freebsd.org
X-SVN-Group: user
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r212596 - user/weongyo/usb/sys/dev/usb/controller
X-BeenThere: svn-src-user@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the experimental &quot; user&quot;
	src tree" <svn-src-user.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-user>,
	<mailto:svn-src-user-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-user>
List-Post: <mailto:svn-src-user@freebsd.org>
List-Help: <mailto:svn-src-user-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-user>,
	<mailto:svn-src-user-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 14 Sep 2010 02:05:08 -0000

Author: weongyo
Date: Tue Sep 14 02:05:08 2010
New Revision: 212596
URL: http://svn.freebsd.org/changeset/base/212596

Log:
  Initializes `bus->generation' when the USB bus structure is initialized
  that don't need to check it whenever usb_bus_explore() is called because
  it'd not be decreased.

Modified:
  user/weongyo/usb/sys/dev/usb/controller/usb_controller.c

Modified: user/weongyo/usb/sys/dev/usb/controller/usb_controller.c
==============================================================================
--- user/weongyo/usb/sys/dev/usb/controller/usb_controller.c	Tue Sep 14 01:52:16 2010	(r212595)
+++ user/weongyo/usb/sys/dev/usb/controller/usb_controller.c	Tue Sep 14 02:05:08 2010	(r212596)
@@ -198,10 +198,6 @@ usb_bus_explore(void *arg, int npending)
 			bus->do_probe = 0;
 			bus->generation++;
 		}
-		if (bus->generation == 0) {
-			/* avoid zero, hence that is memory default */
-			bus->generation = 1;
-		}
 
 #ifdef DDB
 		/*
@@ -541,6 +537,7 @@ usb_bus_struct_init(struct usb_bus *bus,
 	bus->devices_max = udevsmax;
 	bus->busmem_func = busmem_func;
 	bus->alloc_failed = 0;
+	bus->generation = 1;
 
 	mtx_init(&bus->bus_mtx, device_get_nameunit(bus->parent),
 	    NULL, MTX_DEF);