netdev - [PATCH] ipv4: fix address selection in fib_compute_spec

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Message-Id: <1342683303-3557-1-git-send-email-ja@ssi.bg>
Date:	Thu, 19 Jul 2012 10:35:03 +0300
From:	Julian Anastasov <ja@....bg>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: [PATCH] ipv4: fix address selection in fib_compute_spec_dst

	ip_options_compile can be called for forwarded packets,
make sure the specific-destionation address is a local one as
specified in RFC 1812, 4.2.2.2 Addresses in Options

Signed-off-by: Julian Anastasov <ja@....bg>
---
 net/ipv4/fib_frontend.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 7a31194..b832036 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -206,7 +206,8 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb)
 	int scope;
 
 	rt = skb_rtable(skb);
-	if (!(rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)))
+	if ((rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST | RTCF_LOCAL)) ==
+	    RTCF_LOCAL)
 		return ip_hdr(skb)->daddr;
 
 	in_dev = __in_dev_get_rcu(dev);
-- 
1.7.3.4

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