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make sure vnet is set when freeing

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Reported by:	pho
This commit is contained in:
mmacy 2018-05-20 20:48:26 +00:00
parent 0ff2c24861
commit 117b59274f
1 changed files with 9 additions and 2 deletions
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11
sys/netinet6/in6_mcast.c
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@ -1626,6 +1626,8 @@ inp_gcmoptions(epoch_context_t ctx)
{
struct ip6_moptions *imo;
struct in6_mfilter *imf;
struct in6_multi *inm;
struct ifnet *ifp;
size_t idx, nmships;
imo = __containerof(ctx, struct ip6_moptions, imo6_epoch_ctx);
@ -1635,8 +1637,13 @@ inp_gcmoptions(epoch_context_t ctx)
imf = imo->im6o_mfilters ? &imo->im6o_mfilters[idx] : NULL;
if (imf)
im6f_leave(imf);
/* XXX this will thrash the lock(s) */
(void)in6_leavegroup(imo->im6o_membership[idx], imf);
inm = imo->im6o_membership[idx];
ifp = inm->in6m_ifp;
if (ifp)
CURVNET_SET(ifp->if_vnet);
(void)in6_leavegroup(inm, imf);
if (ifp)
CURVNET_RESTORE();
if (imf)
im6f_purge(imf);
}