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Fix a panic when leaving MC group in a kernel with VIMAGE enabled.

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in_leavegroup() is called from an asynchronous task, and
igmp_change_state() requires that curvnet is set by the caller.
This commit is contained in:
Hiroki Sato 2013-07-02 16:39:12 +00:00
parent 967ecf4aed
commit e32d93954d
1 changed files with 2 additions and 0 deletions
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2
sys/netinet/in_mcast.c
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@ -1236,7 +1236,9 @@ in_leavegroup_locked(struct in_multi *inm, /*const*/ struct in_mfilter *imf)
KASSERT(error == 0, ("%s: failed to merge inm state", __func__));
CTR1(KTR_IGMPV3, "%s: doing igmp downcall", __func__);
CURVNET_SET(inm->inm_ifp->if_vnet);
error = igmp_change_state(inm);
CURVNET_RESTORE();
if (error)
CTR1(KTR_IGMPV3, "%s: failed igmp downcall", __func__);