From owner-svn-src-stable@FreeBSD.ORG  Fri Oct  8 20:43:00 2010
Return-Path: <owner-svn-src-stable@FreeBSD.ORG>
Delivered-To: svn-src-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 1B2BA106566B;
	Fri,  8 Oct 2010 20:43:00 +0000 (UTC)
	(envelope-from yongari@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id EB71F8FC12;
	Fri,  8 Oct 2010 20:42:59 +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 o98Kgxba013377;
	Fri, 8 Oct 2010 20:42:59 GMT (envelope-from yongari@svn.freebsd.org)
Received: (from yongari@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id o98KgxWw013375;
	Fri, 8 Oct 2010 20:42:59 GMT (envelope-from yongari@svn.freebsd.org)
Message-Id: <201010082042.o98KgxWw013375@svn.freebsd.org>
From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Fri, 8 Oct 2010 20:42:59 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org
X-SVN-Group: stable-8
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r213622 - stable/8/sys/dev/sis
X-BeenThere: svn-src-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for all the -stable branches of the src tree
	<svn-src-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable>, 
	<mailto:svn-src-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-stable>
List-Post: <mailto:svn-src-stable@freebsd.org>
List-Help: <mailto:svn-src-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable>,
	<mailto:svn-src-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 08 Oct 2010 20:43:00 -0000

Author: yongari
Date: Fri Oct  8 20:42:59 2010
New Revision: 213622
URL: http://svn.freebsd.org/changeset/base/213622

Log:
  MFC r212120:
    Avoid controller reinitialization which could be triggered by
    dhclient(8) or alias addresses are added.
  
    PR:	kern/87506

Modified:
  stable/8/sys/dev/sis/if_sis.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/dev/sis/if_sis.c
==============================================================================
--- stable/8/sys/dev/sis/if_sis.c	Fri Oct  8 20:41:15 2010	(r213621)
+++ stable/8/sys/dev/sis/if_sis.c	Fri Oct  8 20:42:59 2010	(r213622)
@@ -1741,6 +1741,7 @@ sis_poll(struct ifnet *ifp, enum poll_cm
 
 		if (status & SIS_ISR_SYSERR) {
 			sis_reset(sc);
+			ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
 			sis_initl(sc);
 		}
 	}
@@ -1796,6 +1797,7 @@ sis_intr(void *arg)
 
 		if (status & SIS_ISR_SYSERR) {
 			sis_reset(sc);
+			ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
 			sis_initl(sc);
 			SIS_UNLOCK(sc);
 			return;
@@ -1971,6 +1973,9 @@ sis_initl(struct sis_softc *sc)
 
 	SIS_LOCK_ASSERT(sc);
 
+	if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
+		return;
+
 	/*
 	 * Cancel pending I/O and free all RX/TX buffers.
 	 */