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authorDavid Miller <davem@davemloft.net>2017-11-28 15:40:08 -0500
committerDavid S. Miller <davem@davemloft.net>2017-11-30 09:54:25 -0500
commitfe736e778c604dee8f02d3381dfadba8d621605e (patch)
tree1245f621f36559061b4ed693aceb8f9bab6208f8 /net/decnet
parentca2c374a5c47492f7c221d9966a7b11d4c2383f2 (diff)
downloadlinux-fe736e778c604dee8f02d3381dfadba8d621605e.tar.bz2
decnet: Move dn_next into decnet route structure.
Signed-off-by: David S. Miller <davem@davemloft.net> Reviewed-by: Eric Dumazet <edumazet@google.com>
Diffstat (limited to 'net/decnet')
-rw-r--r--net/decnet/dn_route.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 324cb9f2f551..4b3ca70be723 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -199,11 +199,11 @@ static void dn_dst_check_expire(struct timer_list *unused)
lockdep_is_held(&dn_rt_hash_table[i].lock))) != NULL) {
if (atomic_read(&rt->dst.__refcnt) > 1 ||
(now - rt->dst.lastuse) < expire) {
- rtp = &rt->dst.dn_next;
+ rtp = &rt->dn_next;
continue;
}
- *rtp = rt->dst.dn_next;
- rt->dst.dn_next = NULL;
+ *rtp = rt->dn_next;
+ rt->dn_next = NULL;
dst_dev_put(&rt->dst);
dst_release(&rt->dst);
}
@@ -233,11 +233,11 @@ static int dn_dst_gc(struct dst_ops *ops)
lockdep_is_held(&dn_rt_hash_table[i].lock))) != NULL) {
if (atomic_read(&rt->dst.__refcnt) > 1 ||
(now - rt->dst.lastuse) < expire) {
- rtp = &rt->dst.dn_next;
+ rtp = &rt->dn_next;
continue;
}
- *rtp = rt->dst.dn_next;
- rt->dst.dn_next = NULL;
+ *rtp = rt->dn_next;
+ rt->dn_next = NULL;
dst_dev_put(&rt->dst);
dst_release(&rt->dst);
break;
@@ -333,8 +333,8 @@ static int dn_insert_route(struct dn_route *rt, unsigned int hash, struct dn_rou
lockdep_is_held(&dn_rt_hash_table[hash].lock))) != NULL) {
if (compare_keys(&rth->fld, &rt->fld)) {
/* Put it first */
- *rthp = rth->dst.dn_next;
- rcu_assign_pointer(rth->dst.dn_next,
+ *rthp = rth->dn_next;
+ rcu_assign_pointer(rth->dn_next,
dn_rt_hash_table[hash].chain);
rcu_assign_pointer(dn_rt_hash_table[hash].chain, rth);
@@ -345,10 +345,10 @@ static int dn_insert_route(struct dn_route *rt, unsigned int hash, struct dn_rou
*rp = rth;
return 0;
}
- rthp = &rth->dst.dn_next;
+ rthp = &rth->dn_next;
}
- rcu_assign_pointer(rt->dst.dn_next, dn_rt_hash_table[hash].chain);
+ rcu_assign_pointer(rt->dn_next, dn_rt_hash_table[hash].chain);
rcu_assign_pointer(dn_rt_hash_table[hash].chain, rt);
dst_hold_and_use(&rt->dst, now);
@@ -369,8 +369,8 @@ static void dn_run_flush(struct timer_list *unused)
goto nothing_to_declare;
for(; rt; rt = next) {
- next = rcu_dereference_raw(rt->dst.dn_next);
- RCU_INIT_POINTER(rt->dst.dn_next, NULL);
+ next = rcu_dereference_raw(rt->dn_next);
+ RCU_INIT_POINTER(rt->dn_next, NULL);
dst_dev_put(&rt->dst);
dst_release(&rt->dst);
}
@@ -1183,6 +1183,7 @@ make_route:
if (rt == NULL)
goto e_nobufs;
+ rt->dn_next = NULL;
memset(&rt->fld, 0, sizeof(rt->fld));
rt->fld.saddr = oldflp->saddr;
rt->fld.daddr = oldflp->daddr;
@@ -1252,7 +1253,7 @@ static int __dn_route_output_key(struct dst_entry **pprt, const struct flowidn *
if (!(flags & MSG_TRYHARD)) {
rcu_read_lock_bh();
for (rt = rcu_dereference_bh(dn_rt_hash_table[hash].chain); rt;
- rt = rcu_dereference_bh(rt->dst.dn_next)) {
+ rt = rcu_dereference_bh(rt->dn_next)) {
if ((flp->daddr == rt->fld.daddr) &&
(flp->saddr == rt->fld.saddr) &&
(flp->flowidn_mark == rt->fld.flowidn_mark) &&
@@ -1448,6 +1449,7 @@ make_route:
if (rt == NULL)
goto e_nobufs;
+ rt->dn_next = NULL;
memset(&rt->fld, 0, sizeof(rt->fld));
rt->rt_saddr = fld.saddr;
rt->rt_daddr = fld.daddr;
@@ -1529,7 +1531,7 @@ static int dn_route_input(struct sk_buff *skb)
rcu_read_lock();
for(rt = rcu_dereference(dn_rt_hash_table[hash].chain); rt != NULL;
- rt = rcu_dereference(rt->dst.dn_next)) {
+ rt = rcu_dereference(rt->dn_next)) {
if ((rt->fld.saddr == cb->src) &&
(rt->fld.daddr == cb->dst) &&
(rt->fld.flowidn_oif == 0) &&
@@ -1749,7 +1751,7 @@ int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb)
rcu_read_lock_bh();
for(rt = rcu_dereference_bh(dn_rt_hash_table[h].chain), idx = 0;
rt;
- rt = rcu_dereference_bh(rt->dst.dn_next), idx++) {
+ rt = rcu_dereference_bh(rt->dn_next), idx++) {
if (idx < s_idx)
continue;
skb_dst_set(skb, dst_clone(&rt->dst));
@@ -1795,7 +1797,7 @@ static struct dn_route *dn_rt_cache_get_next(struct seq_file *seq, struct dn_rou
{
struct dn_rt_cache_iter_state *s = seq->private;
- rt = rcu_dereference_bh(rt->dst.dn_next);
+ rt = rcu_dereference_bh(rt->dn_next);
while (!rt) {
rcu_read_unlock_bh();
if (--s->bucket < 0)