diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c index 2d869e4a7fde..898af794868f 100644 --- a/sys/netinet6/nd6.c +++ b/sys/netinet6/nd6.c @@ -1407,7 +1407,7 @@ nd6_cache_lladdr(struct ifnet *ifp, struct in6_addr *from, char *lladdr, int newstate = 0; uint16_t router = 0; struct sockaddr_in6 sin6; - struct mbuf *chain = NULL; + struct mbuf *tail = NULL, *chain = NULL; int static_route = 0; IF_AFDATA_UNLOCK_ASSERT(ifp); @@ -1526,7 +1526,9 @@ nd6_cache_lladdr(struct ifnet *ifp, struct in6_addr *from, char *lladdr, * just set the 2nd argument as the * 1st one. */ - nd6_output_lle(ifp, ifp, m_hold, L3_ADDR_SIN6(ln), NULL, ln, &chain); + nd6_output_lle(ifp, ifp, m_hold, L3_ADDR_SIN6(ln), NULL, ln, &tail); + if ((tail != NULL) && chain == (NULL)) + chain = tail; } if (chain) memcpy(&sin6, L3_ADDR_SIN6(ln), sizeof(sin6)); @@ -1889,8 +1891,10 @@ nd6_output_lle(struct ifnet *ifp, struct ifnet *origifp, struct mbuf *m0, if (lle != NULL) { if (*tail == NULL) *tail = m; - else + else { (*tail)->m_nextpkt = m; + *tail = m; + } return (error); } if ((ifp->if_flags & IFF_LOOPBACK) != 0) { @@ -2037,7 +2041,7 @@ nd6_storelladdr(struct ifnet *ifp, struct rtentry *rt0, struct mbuf *m, ln = lla_lookup(LLTABLE6(ifp), 0, dst); IF_AFDATA_UNLOCK(ifp); if ((ln == NULL) || !(ln->la_flags & LLE_VALID)) { - if (ln) + if (ln != NULL) LLE_RUNLOCK(ln); /* this could happen, if we could not allocate memory */ m_freem(m);