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From: Andrew Thompson <thompsa@FreeBSD.org>
Date: Tue, 3 Jul 2012 01:45:28 +0000 (UTC)
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Subject: svn commit: r238047 - stable/9/sys/net
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Author: thompsa
Date: Tue Jul  3 01:45:28 2012
New Revision: 238047
URL: http://svn.freebsd.org/changeset/base/238047

Log:
  MFC r237852
  
   Add the same check as vlan(4) where we ignore the ifnet departure event if the
   interface is just being renamed.
  
  PR:		kern/169557

Modified:
  stable/9/sys/net/if_lagg.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/amd64/include/xen/   (props changed)
  stable/9/sys/boot/   (props changed)
  stable/9/sys/boot/i386/efi/   (props changed)
  stable/9/sys/boot/ia64/efi/   (props changed)
  stable/9/sys/boot/ia64/ski/   (props changed)
  stable/9/sys/boot/powerpc/boot1.chrp/   (props changed)
  stable/9/sys/boot/powerpc/ofw/   (props changed)
  stable/9/sys/cddl/contrib/opensolaris/   (props changed)
  stable/9/sys/conf/   (props changed)
  stable/9/sys/contrib/dev/acpica/   (props changed)
  stable/9/sys/contrib/octeon-sdk/   (props changed)
  stable/9/sys/contrib/pf/   (props changed)
  stable/9/sys/contrib/x86emu/   (props changed)
  stable/9/sys/dev/   (props changed)
  stable/9/sys/dev/e1000/   (props changed)
  stable/9/sys/dev/isp/   (props changed)
  stable/9/sys/dev/ixgbe/   (props changed)
  stable/9/sys/fs/   (props changed)
  stable/9/sys/fs/ntfs/   (props changed)
  stable/9/sys/modules/   (props changed)

Modified: stable/9/sys/net/if_lagg.c
==============================================================================
--- stable/9/sys/net/if_lagg.c	Tue Jul  3 01:00:29 2012	(r238046)
+++ stable/9/sys/net/if_lagg.c	Tue Jul  3 01:45:28 2012	(r238047)
@@ -797,6 +797,9 @@ lagg_port_ifdetach(void *arg __unused, s
 
 	if ((lp = ifp->if_lagg) == NULL)
 		return;
+	/* If the ifnet is just being renamed, don't do anything. */
+	if (ifp->if_flags & IFF_RENAMING)
+		return;
 
 	sc = lp->lp_softc;