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From: Bruce M Simpson <bms@FreeBSD.org>
Date: Thu, 19 Nov 2009 12:18:31 +0000 (UTC)
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Subject: svn commit: r199522 - head/sys/netinet6
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Author: bms
Date: Thu Nov 19 12:18:30 2009
New Revision: 199522
URL: http://svn.freebsd.org/changeset/base/199522

Log:
  Adapt r197130 to IPv6 stack:
    Fix an obvious logic error in the IPv4 multicast leave processing,
    where the filter mode vector was not updated correctly after the leave.
  
  MFC after:	1 day

Modified:
  head/sys/netinet6/in6_mcast.c

Modified: head/sys/netinet6/in6_mcast.c
==============================================================================
--- head/sys/netinet6/in6_mcast.c	Thu Nov 19 12:10:34 2009	(r199521)
+++ head/sys/netinet6/in6_mcast.c	Thu Nov 19 12:18:30 2009	(r199522)
@@ -2272,8 +2272,10 @@ out_im6f_rollback:
 
 	if (is_final) {
 		/* Remove the gap in the membership array. */
-		for (++idx; idx < imo->im6o_num_memberships; ++idx)
+		for (++idx; idx < imo->im6o_num_memberships; ++idx) {
 			imo->im6o_membership[idx-1] = imo->im6o_membership[idx];
+			imo->im6o_mfilters[idx-1] = imo->im6o_mfilters[idx];
+		}
 		imo->im6o_num_memberships--;
 	}