# HG changeset patch
# Parent b526cfb2a5141e7ea38fbeedd676abd0ca46ce23
Avoid panic when nd6_storelladdr is called with a NULL mbuf.

diff -r b526cfb2a514 sys/netinet6/nd6.c
--- a/sys/netinet6/nd6.c	Mon Jan 07 10:04:38 2013 -0800
+++ b/sys/netinet6/nd6.c	Tue Jan 08 13:43:24 2013 -0800
@@ -2166,7 +2166,7 @@ nd6_storelladdr(struct ifnet *ifp, struc
 
 	*lle = NULL;
 	IF_AFDATA_UNLOCK_ASSERT(ifp);
-	if (m->m_flags & M_MCAST) {
+	if (m != NULL && m->m_flags & M_MCAST) {
 		int i;
 
 		switch (ifp->if_type) {