D56052.id174180.diff
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D56052.id174180.diff
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	diff --git a/sys/netinet6/in6_mcast.c b/sys/netinet6/in6_mcast.c
	--- a/sys/netinet6/in6_mcast.c
	+++ b/sys/netinet6/in6_mcast.c
	@@ -2806,9 +2806,9 @@

	ifindex = name[0];
	NET_EPOCH_ENTER(et);
	- ifp = ifnet_byindex(ifindex);
	+ ifp = ifnet_byindex_ref(ifindex);
	+ NET_EPOCH_EXIT(et);
	if (ifp == NULL) {
	- NET_EPOCH_EXIT(et);
	CTR2(KTR_MLD, "%s: no ifp for ifindex %u",
	__func__, ifindex);
	return (ENOENT);
	@@ -2821,7 +2821,7 @@
	retval = sysctl_wire_old_buffer(req,
	sizeof(uint32_t) + (in6_mcast_maxgrpsrc * sizeof(struct in6_addr)));
	if (retval) {
	- NET_EPOCH_EXIT(et);
	+ if_rele(ifp);
	return (retval);
	}

	@@ -2856,7 +2856,7 @@
	}
	IN6_MULTI_LIST_UNLOCK();
	IN6_MULTI_UNLOCK();
	- NET_EPOCH_EXIT(et);
	+ if_rele(ifp);

	return (retval);
	}