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authorYan Zheng <yanzheng@21cn.com>2005-10-28 18:12:00 -0400
committerArnaldo Carvalho de Melo <acme@mandriva.com>2005-10-31 13:54:05 -0500
commit9d17f218936a0fee43ad9493a841136589c942cd (patch)
tree055eed0fcf1c2c4566ac665334c626fac6ee2721 /net
parenta3d7a9d77533d7516a8cfb8e2b612cd5ead4fa59 (diff)
[IPV6]: Fix behavior of ip6_route_input() for link local address
I find that linux will reply echo request destined to an address which belongs to an interface other than the one from which the request received. This behavior doesn't make sense for link local address. YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> said: Please note that sender does need to setup neighbor entry by hand to reproduce this bug. (Link-local address on eth1 is not visible on eth0, from the point of view of neighbor discovery in IPv6.) +--------+ +--------+ | sender | | router | +---+----+ +-+----+-+ |eth0 eth0| |eth1 -----+----------------------+- -+-------------- Signed-off-by: Yan Zheng <yanzheng@21cn.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Andrew Morton <akpm@osdl.org> (forwarded) Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/route.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 5d5bbb49ec78..227e99ed510c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -483,7 +483,7 @@ restart:
483 goto out; 483 goto out;
484 } 484 }
485 485
486 rt = rt6_device_match(rt, skb->dev->ifindex, 0); 486 rt = rt6_device_match(rt, skb->dev->ifindex, strict);
487 BACKTRACK(); 487 BACKTRACK();
488 488
489 if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP)) { 489 if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP)) {