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authorJulian Anastasov <ja@ssi.bg>2012-07-18 23:35:03 +0200
committerDavid S. Miller <davem@davemloft.net>2012-07-19 17:30:49 +0200
commit0cc535a29916c6a0e6e6af0f3d42c2fe3b0b145d (patch)
tree28be5b939062368de3001e4602cede3a0727b07a
parentipv4: optimize fib_compute_spec_dst call in ip_options_echo (diff)
downloadlinux-0cc535a29916c6a0e6e6af0f3d42c2fe3b0b145d.tar.xz
linux-0cc535a29916c6a0e6e6af0f3d42c2fe3b0b145d.zip
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@ssi.bg> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/fib_frontend.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 7a31194ec633..b83203658ee3 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);