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| author | David S. Miller <davem@davemloft.net> | 2011-07-17 23:09:49 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-07-17 23:11:35 -0700 |
| commit | 69cce1d1404968f78b177a0314f5822d5afdbbfb (patch) | |
| tree | 26223264fd69ea8078d0013fd5a76eb7aeb04c12 /net/decnet/dn_route.c | |
| parent | 9cbb7ecbcff85077bb12301aaf4c9b5a56c5993d (diff) | |
| download | linux-69cce1d1404968f78b177a0314f5822d5afdbbfb.tar.bz2 | |
net: Abstract dst->neighbour accesses behind helpers.
dst_{get,set}_neighbour()
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/decnet/dn_route.c')
| -rw-r--r-- | net/decnet/dn_route.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 3b6400d17dc2..9bd45fcb3b8e 100644 --- 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) { |