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authorDavid S. Miller <davem@davemloft.net>2012-07-23 13:57:45 -0700
committerDavid S. Miller <davem@davemloft.net>2012-07-23 16:36:27 -0700
commit13378cad02afc2adc6c0e07fca03903c7ada0b37 (patch)
treee12625227f409a7b658c4f39a2dc926cf60bb27e /net
parentb68581778cd0051a3fb9a2b614dee7eccb5127ff (diff)
ipv4: Change rt->rt_iif encoding.
On input packet processing, rt->rt_iif will be zero if we should use skb->dev->ifindex. Since we access rt->rt_iif consistently via inet_iif(), that is the only spot whose interpretation have to adjust. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/route.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index f6be7811939..6bcb8fc71cb 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1309,7 +1309,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
rth->rt_flags = RTCF_MULTICAST;
rth->rt_type = RTN_MULTICAST;
rth->rt_is_input= 1;
- rth->rt_iif = dev->ifindex;
+ rth->rt_iif = 0;
rth->rt_pmtu = 0;
rth->rt_gateway = 0;
if (our) {
@@ -1435,7 +1435,7 @@ static int __mkroute_input(struct sk_buff *skb,
rth->rt_flags = flags;
rth->rt_type = res->type;
rth->rt_is_input = 1;
- rth->rt_iif = in_dev->dev->ifindex;
+ rth->rt_iif = 0;
rth->rt_pmtu = 0;
rth->rt_gateway = 0;
@@ -1608,7 +1608,7 @@ local_input:
rth->rt_flags = flags|RTCF_LOCAL;
rth->rt_type = res.type;
rth->rt_is_input = 1;
- rth->rt_iif = dev->ifindex;
+ rth->rt_iif = 0;
rth->rt_pmtu = 0;
rth->rt_gateway = 0;
if (res.type == RTN_UNREACHABLE) {
@@ -1772,7 +1772,7 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
rth->rt_flags = flags;
rth->rt_type = type;
rth->rt_is_input = 0;
- rth->rt_iif = orig_oif ? : dev_out->ifindex;
+ rth->rt_iif = orig_oif ? : 0;
rth->rt_pmtu = 0;
rth->rt_gateway = 0;