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sync rt_ifp check with IPv4 counterpart (see sys/net/if_ethersubr.c 1.27). 

sync with kame
This commit is contained in:
itojun 2001-07-20 20:26:35 +00:00
parent d3ddc0ef44
commit 7f070caa75
1 changed files with 10 additions and 2 deletions
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12
sys/netinet6/nd6.c
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@ -1,4 +1,4 @@
/* $NetBSD: nd6.c,v 1.49 2001/06/29 16:01:47 itojun Exp $ */
/* $NetBSD: nd6.c,v 1.50 2001/07/20 20:26:35 itojun Exp $ */
/* $KAME: nd6.c,v 1.151 2001/06/19 14:24:41 sumikawa Exp $ */
/*
@ -1887,9 +1887,17 @@ nd6_output(ifp, origifp, m0, dst, rt0)
goto lookup;
if (((rt = rt->rt_gwroute)->rt_flags & RTF_UP) == 0) {
rtfree(rt); rt = rt0;
lookup: rt->rt_gwroute = rtalloc1(rt->rt_gateway, 1);
lookup:
rt->rt_gwroute = rtalloc1(rt->rt_gateway, 1);
if ((rt = rt->rt_gwroute) == 0)
senderr(EHOSTUNREACH);
/* the "G" test below also prevents rt == rt0 */
if ((rt->rt_flags & RTF_GATEWAY) ||
(rt->rt_ifp != ifp)) {
rt->rt_refcnt--;
rt0->rt_gwroute = 0;
senderr(EHOSTUNREACH);
}
}
}
}