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ensure that vnet is set when doing in_leavegroup

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This commit is contained in:
Matt Macy 2018-05-21 07:12:06 +00:00
parent edacda736b
commit 06b15160e1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=333967
1 changed files with 9 additions and 1 deletions
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10
sys/netinet/in_mcast.c
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@ -1664,6 +1664,8 @@ inp_gcmoptions(epoch_context_t ctx)
{
struct ip_moptions *imo;
struct in_mfilter *imf;
struct in_multi *inm;
struct ifnet *ifp;
size_t idx, nmships;
imo = __containerof(ctx, struct ip_moptions, imo_epoch_ctx);
@ -1673,7 +1675,13 @@ inp_gcmoptions(epoch_context_t ctx)
imf = imo->imo_mfilters ? &imo->imo_mfilters[idx] : NULL;
if (imf)
imf_leave(imf);
(void)in_leavegroup(imo->imo_membership[idx], imf);
inm = imo->imo_membership[idx];
ifp = inm->inm_ifp;
if (ifp)
CURVNET_SET(ifp->if_vnet);
(void)in_leavegroup(inm, imf);
if (ifp)
CURVNET_RESTORE();
if (imf)
imf_purge(imf);
}