Author: np
Date: Fri Jan 25 23:11:13 2013
New Revision: 245922
URL: http://svnweb.freebsd.org/changeset/base/245922
Log:
Avoid NULL dereference in nd6_storelladdr when no mbuf is provided. It
is called this way from a couple of places in the OFED code. (toecore
calls it too but that's going to change shortly).
Reviewed by: bz@
Modified:
head/sys/netinet6/nd6.c
Modified: head/sys/netinet6/nd6.c
==============================================================================
--- head/sys/netinet6/nd6.c Fri Jan 25 22:50:52 2013 (r245921)
+++ head/sys/netinet6/nd6.c Fri Jan 25 23:11:13 2013 (r245922)
@@ -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) {
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