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ipv4: Kill rt->rt_oif

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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>
This commit is contained in:
David S. Miller
2012-07-17 14:39:44 -07:00
parent 93ac53410a
commit 4fd551d7be
4 changed files with 5 additions and 9 deletions
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5
net/ipv4/route.c
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@@ -1332,7 +1332,6 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
rth->rt_type = RTN_MULTICAST;
rth->rt_route_iif = dev->ifindex;
rth->rt_iif = dev->ifindex;
rth->rt_oif = 0;
rth->rt_pmtu = 0;
rth->rt_gateway = 0;
rth->fi = NULL;
@@ -1463,7 +1462,6 @@ static int __mkroute_input(struct sk_buff *skb,
rth->rt_type = res->type;
rth->rt_route_iif = in_dev->dev->ifindex;
rth->rt_iif = in_dev->dev->ifindex;
rth->rt_oif = 0;
rth->rt_pmtu = 0;
rth->rt_gateway = 0;
rth->fi = NULL;
@@ -1642,7 +1640,6 @@ local_input:
rth->rt_type = res.type;
rth->rt_route_iif = dev->ifindex;
rth->rt_iif = dev->ifindex;
rth->rt_oif = 0;
rth->rt_pmtu = 0;
rth->rt_gateway = 0;
rth->fi = NULL;
@@ -1808,7 +1805,6 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
rth->rt_type = type;
rth->rt_route_iif = 0;
rth->rt_iif = orig_oif ? : dev_out->ifindex;
rth->rt_oif = orig_oif;
rth->rt_pmtu = 0;
rth->rt_gateway = 0;
rth->fi = NULL;
@@ -2085,7 +2081,6 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
rt->rt_route_iif = ort->rt_route_iif;
rt->rt_iif = ort->rt_iif;
rt->rt_oif = ort->rt_oif;
rt->rt_pmtu = ort->rt_pmtu;
rt->rt_genid = rt_genid(net);