ipv4: Turn rt->rt_route_iif into rt->rt_is_input.

That is this value's only use, as a boolean to indicate whether
a route is an input route or not.

So implement it that way, using a u16 gap present in the struct
already.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 3c99b4cdd29..c6281847f16 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -79,7 +79,6 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
         struct rtable *rt = (struct rtable *)xdst->route;
         const struct flowi4 *fl4 = &fl->u.ip4;
 
-        xdst->u.rt.rt_route_iif = fl4->flowi4_iif;
         xdst->u.rt.rt_iif = fl4->flowi4_iif;
 
         xdst->u.dst.dev = dev;
@@ -87,6 +86,7 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
 
         /* Sheit... I remember I did this right. Apparently,
          * it was magically lost, so this code needs audit */
+        xdst->u.rt.rt_is_input = rt->rt_is_input;
         xdst->u.rt.rt_flags = rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST |
                                               RTCF_LOCAL);
         xdst->u.rt.rt_type = rt->rt_type;