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authorDavid S. Miller <davem@davemloft.net>2012-07-17 14:39:44 -0700
committerDavid S. Miller <davem@davemloft.net>2012-07-20 13:38:34 -0700
commit4fd551d7bed93af60af61c5a324b8f5dff37953a (patch)
tree2cc151b3dc88793340c50421799627b06b766a43 /net/ipv4/ipmr.c
parent93ac53410a82a4f1bf2baf9d65d95cc29f2774ca (diff)
downloadlinux-4fd551d7bed93af60af61c5a324b8f5dff37953a.tar.gz
ipv4: Kill rt->rt_oif
Never actually used.

It was being set on output routes to the original OIF specified in the
flow key used for the lookup.

Adjust the only user, ipmr_rt_fib_lookup(), for greater correctness of
the flowi4_oif and flowi4_iif values, thanks to feedback from Julian
Anastasov.

Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ipmr.c')
-rw-r--r--net/ipv4/ipmr.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index eee3bf6676fe..8eec8f4a0536 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1795,8 +1795,11 @@ static struct mr_table *ipmr_rt_fib_lookup(struct net *net, struct sk_buff *skb)
 		.daddr = iph->daddr,
 		.saddr = iph->saddr,
 		.flowi4_tos = RT_TOS(iph->tos),
-		.flowi4_oif = rt->rt_oif,
-		.flowi4_iif = rt->rt_iif,
+		.flowi4_oif = (rt_is_output_route(rt) ?
+			       skb->dev->ifindex : 0),
+		.flowi4_iif = (rt_is_output_route(rt) ?
+			       net->loopback_dev->ifindex :
+			       skb->dev->ifindex),
 		.flowi4_mark = skb->mark,
 	};
 	struct mr_table *mrt;