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Date:      Fri, 8 Oct 2010 20:44:35 +0000 (UTC)
From:      Pyun YongHyeon <yongari@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org
Subject:   svn commit: r213623 - stable/7/sys/dev/sis
Message-ID:  <201010082044.o98KiZhI013470@svn.freebsd.org>

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Author: yongari
Date: Fri Oct  8 20:44:35 2010
New Revision: 213623
URL: http://svn.freebsd.org/changeset/base/213623

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

Modified:
  stable/7/sys/dev/sis/if_sis.c
Directory Properties:
  stable/7/sys/   (props changed)
  stable/7/sys/cddl/contrib/opensolaris/   (props changed)
  stable/7/sys/contrib/dev/acpica/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)

Modified: stable/7/sys/dev/sis/if_sis.c
==============================================================================
--- stable/7/sys/dev/sis/if_sis.c	Fri Oct  8 20:42:59 2010	(r213622)
+++ stable/7/sys/dev/sis/if_sis.c	Fri Oct  8 20:44:35 2010	(r213623)
@@ -1738,6 +1738,7 @@ 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);
 		}
 	}
@@ -1792,6 +1793,7 @@ 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;
@@ -1967,6 +1969,9 @@ 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.
 	 */



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