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
@@ -345,6 +345,31 @@
 	return (MCAST_PASS);
 }
 
+/*
+ * Look up an in6_multi record for an IPv6 multicast address
+ * on the interface ifp.
+ * If no record found, return NULL.
+ *
+ * SMPng: The IN6_MULTI_LOCK and must be held and must be in network epoch.
+ */
+struct in6_multi *
+in6m_lookup_locked(struct ifnet *ifp, const struct in6_addr *mcaddr)
+{
+	struct ifmultiaddr *ifma;
+	struct in6_multi *inm;
+
+	NET_EPOCH_ASSERT();
+
+	CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
+		inm = in6m_ifmultiaddr_get_inm(ifma);
+		if (inm == NULL)
+			continue;
+		if (IN6_ARE_ADDR_EQUAL(&inm->in6m_addr, mcaddr))
+			return (inm);
+	}
+	return (NULL);
+}
+
 /*
  * Find and return a reference to an in6_multi record for (ifp, group),
  * and bump its reference count.
diff --git a/sys/netinet6/in6_var.h b/sys/netinet6/in6_var.h
--- a/sys/netinet6/in6_var.h
+++ b/sys/netinet6/in6_var.h
@@ -776,35 +776,13 @@
 in6m_ifmultiaddr_get_inm(struct ifmultiaddr *ifma)
 {
 
-	NET_EPOCH_ASSERT();
-
 	return ((ifma->ifma_addr->sa_family != AF_INET6 ||	
 	    (ifma->ifma_flags & IFMA_F_ENQUEUED) == 0) ? NULL :
 	    ifma->ifma_protospec);
 }
 
-/*
- * Look up an in6_multi record for an IPv6 multicast address
- * on the interface ifp.
- * If no record found, return NULL.
- *
- * SMPng: The IN6_MULTI_LOCK and must be held and must be in network epoch.
- */
-static __inline struct in6_multi *
-in6m_lookup_locked(struct ifnet *ifp, const struct in6_addr *mcaddr)
-{
-	struct ifmultiaddr *ifma;
-	struct in6_multi *inm;
-
-	CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
-		inm = in6m_ifmultiaddr_get_inm(ifma);
-		if (inm == NULL)
-			continue;
-		if (IN6_ARE_ADDR_EQUAL(&inm->in6m_addr, mcaddr))
-			return (inm);
-	}
-	return (NULL);
-}
+struct in6_multi *
+in6m_lookup_locked(struct ifnet *ifp, const struct in6_addr *mcaddr);
 
 /*
  * Wrapper for in6m_lookup_locked().