net: Abstract dst->neighbour accesses behind helpers.

[cascardo/linux.git] / net / decnet / dn_route.c

diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 3b6400d..9bd45fc 100644 (file)
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -241,9 +241,11 @@ static int dn_dst_gc(struct dst_ops *ops)
  */
 static void dn_dst_update_pmtu(struct dst_entry *dst, u32 mtu)
 {
+       struct neighbour *n = dst_get_neighbour(dst);
        u32 min_mtu = 230;
-       struct dn_dev *dn = dst->neighbour ?
-                           rcu_dereference_raw(dst->neighbour->dev->dn_ptr) : NULL;
+       struct dn_dev *dn;
+
+       dn = n ? rcu_dereference_raw(n->dev->dn_ptr) : NULL;
 
        if (dn && dn->use_long == 0)
                min_mtu -= 6;
@@ -708,7 +710,7 @@ out:
 static int dn_to_neigh_output(struct sk_buff *skb)
 {
        struct dst_entry *dst = skb_dst(skb);
-       struct neighbour *n = dst->neighbour;
+       struct neighbour *n = dst_get_neighbour(dst);
 
        return n->output(n, skb);
 }
@@ -723,7 +725,7 @@ static int dn_output(struct sk_buff *skb)
 
        int err = -EINVAL;
 
-       if ((neigh = dst->neighbour) == NULL)
+       if ((neigh = dst_get_neighbour(dst)) == NULL)
                goto error;
 
        skb->dev = dev;
@@ -840,11 +842,11 @@ static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
        }
        rt->rt_type = res->type;
 
-       if (dev != NULL && rt->dst.neighbour == NULL) {
+       if (dev != NULL && dst_get_neighbour(&rt->dst) == NULL) {
                n = __neigh_lookup_errno(&dn_neigh_table, &rt->rt_gateway, dev);
                if (IS_ERR(n))
                        return PTR_ERR(n);
-               rt->dst.neighbour = n;
+               dst_set_neighbour(&rt->dst, n);
        }
 
        if (dst_metric(&rt->dst, RTAX_MTU) > rt->dst.dev->mtu)
@@ -1151,7 +1153,7 @@ make_route:
        rt->rt_dst_map    = fld.daddr;
        rt->rt_src_map    = fld.saddr;
 
-       rt->dst.neighbour = neigh;
+       dst_set_neighbour(&rt->dst, neigh);
        neigh = NULL;
 
        rt->dst.lastuse = jiffies;
@@ -1423,7 +1425,7 @@ make_route:
        rt->fld.flowidn_iif  = in_dev->ifindex;
        rt->fld.flowidn_mark = fld.flowidn_mark;
 
-       rt->dst.neighbour = neigh;
+       dst_set_neighbour(&rt->dst, neigh);
        rt->dst.lastuse = jiffies;
        rt->dst.output = dn_rt_bug;
        switch (res.type) {