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authorMartin Pieuchot <mpi@cvs.openbsd.org>2015-10-22 17:19:39 +0000
committerMartin Pieuchot <mpi@cvs.openbsd.org>2015-10-22 17:19:39 +0000
commitfc19a686339eb476057c8b3b989db339efea3f4c (patch)
treeba852253c2f461f23d56b3539c8669e49b403d63 /sys/net/route.c
parent2edfccc2dfab288140ad019eedf2f35b3bf81d2d (diff)
Use only one refcounting mechanism for route entries.
ok bluhm@, dlg@, claudio@
Diffstat (limited to 'sys/net/route.c')
-rw-r--r--sys/net/route.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/sys/net/route.c b/sys/net/route.c
index c71cc910153..e49e7aa2097 100644
--- a/sys/net/route.c
+++ b/sys/net/route.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: route.c,v 1.257 2015/10/22 16:49:26 mpi Exp $ */
+/* $OpenBSD: route.c,v 1.258 2015/10/22 17:19:38 mpi Exp $ */
/* $NetBSD: route.c,v 1.14 1996/02/13 22:00:46 christos Exp $ */
/*
@@ -348,13 +348,9 @@ rtfree(struct rtentry *rt)
if (rt == NULL)
return;
- rt->rt_refcnt--;
-
- if (rt->rt_refcnt <= 0 && (rt->rt_flags & RTF_UP) == 0) {
- if (rt->rt_refcnt == 0 && RT_ACTIVE(rt))
- return; /* route still active but currently down */
- if (RT_ACTIVE(rt) || RT_ROOT(rt))
- panic("rtfree 2");
+ if (--rt->rt_refcnt <= 0) {
+ KASSERT(!ISSET(rt->rt_flags, RTF_UP));
+ KASSERT(!RT_ROOT(rt));
rttrash--;
if (rt->rt_refcnt < 0) {
printf("rtfree: %p not freed (neg refs)\n", rt);
@@ -846,6 +842,7 @@ rtrequest1(int req, struct rt_addrinfo *info, u_int8_t prio,
return (ENOBUFS);
}
+ rt->rt_refcnt = 1;
rt->rt_flags = info->rti_flags | RTF_UP;
rt->rt_tableid = tableid;
rt->rt_priority = prio; /* init routing priority */
@@ -931,7 +928,7 @@ rtrequest1(int req, struct rt_addrinfo *info, u_int8_t prio,
rt->rt_rmx = (*ret_nrt)->rt_rmx; /* copy metrics */
rt->rt_priority = (*ret_nrt)->rt_priority;
rt->rt_parent = *ret_nrt; /* Back ptr. to parent. */
- rt->rt_parent->rt_refcnt++;
+ rtref(rt->rt_parent);
}
/*