svn commit: r185964 - head/sys/netinet6
Andrew Thompson
thompsa at FreeBSD.org
Thu Dec 11 17:47:00 PST 2008
Author: thompsa
Date: Fri Dec 12 01:46:59 2008
New Revision: 185964
URL: http://svn.freebsd.org/changeset/base/185964
Log:
Pass RTF_RNH_LOCKED to rtalloc1 sunce the node head is locked, this avoids a
recursive lock panic on inet6 detach.
Reviewed by: kmacy
Modified:
head/sys/netinet6/in6_ifattach.c
Modified: head/sys/netinet6/in6_ifattach.c
==============================================================================
--- head/sys/netinet6/in6_ifattach.c Fri Dec 12 01:36:50 2008 (r185963)
+++ head/sys/netinet6/in6_ifattach.c Fri Dec 12 01:46:59 2008 (r185964)
@@ -834,7 +834,7 @@ in6_ifdetach(struct ifnet *ifp)
/* XXX grab lock first to avoid LOR */
if (V_rt_tables[0][AF_INET6] != NULL) {
RADIX_NODE_HEAD_LOCK(V_rt_tables[0][AF_INET6]);
- rt = rtalloc1((struct sockaddr *)&sin6, 0, 0UL);
+ rt = rtalloc1((struct sockaddr *)&sin6, RTF_RNH_LOCKED, 0UL);
if (rt) {
if (rt->rt_ifp == ifp)
rtexpunge(rt);
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