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Fix an obvious logic error in the IPv4 multicast leave processing,

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where the filter mode vector was not updated correctly after the leave.

PR:		138691
Submitted by:	Stef Walter
MFC after:	5 days
This commit is contained in:
Bruce M Simpson 2009-09-12 19:07:03 +00:00
parent 67e89408e5
commit cc5776b24d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=197130
1 changed files with 4 additions and 2 deletions
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6
sys/netinet/in_mcast.c
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@ -2278,9 +2278,11 @@ inp_leave_group(struct inpcb *inp, struct sockopt *sopt)
imf_reap(imf);
if (is_final) {
/* Remove the gap in the membership array. */
for (++idx; idx < imo->imo_num_memberships; ++idx)
/* Remove the gap in the membership and filter array. */
for (++idx; idx < imo->imo_num_memberships; ++idx) {
imo->imo_membership[idx-1] = imo->imo_membership[idx];
imo->imo_mfilters[idx-1] = imo->imo_mfilters[idx];
}
imo->imo_num_memberships--;
}