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From: Bruce M Simpson <bms@FreeBSD.org>
Date: Wed, 29 Apr 2009 10:12:01 +0000 (UTC)
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Subject: cvs commit: src/sys/netinet igmp.c
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bms         2009-04-29 10:12:01 UTC

  FreeBSD src repository

  Modified files:
    sys/netinet          igmp.c 
  Log:
  SVN rev 191657 on 2009-04-29 10:12:01Z by bms
  
  Fix a problem whereby enqueued IGMPv3 filter list changes would be
  incorrectly output, if the RB-tree enumeration happened to reuse the
  same chain for a mode switch: that is, both ALLOW and BLOCK records
  were appended for the same group, in the same mbuf packet chain.
  
  This was introduced during an mbuf chain layout bug fix involving
  m_getptr(), which obviously cannot count from offset 0 on the
  second pass through the RB-tree when serializing the IGMPv3
  group records into the pending mbuf chain.
  
  Cut over to KTR_INET for IGMPv3 CTR usage.
  
  Revision  Changes    Path
  1.72      +17 -10    src/sys/netinet/igmp.c