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-rw-r--r--net/decnet/dn_dev.c10
-rw-r--r--net/decnet/dn_route.c15
-rw-r--r--net/decnet/dn_table.c4
3 files changed, 12 insertions, 17 deletions
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 4c27615340d..cf26ac74a18 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -747,7 +747,8 @@ static int dn_nl_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
skip_naddr = cb->args[1];
idx = 0;
- for_each_netdev(&init_net, dev) {
+ rcu_read_lock();
+ for_each_netdev_rcu(&init_net, dev) {
if (idx < skip_ndevs)
goto cont;
else if (idx > skip_ndevs) {
@@ -756,11 +757,11 @@ static int dn_nl_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
skip_naddr = 0;
}
- if ((dn_db = rtnl_dereference(dev->dn_ptr)) == NULL)
+ if ((dn_db = rcu_dereference(dev->dn_ptr)) == NULL)
goto cont;
- for (ifa = rtnl_dereference(dn_db->ifa_list), dn_idx = 0; ifa;
- ifa = rtnl_dereference(ifa->ifa_next), dn_idx++) {
+ for (ifa = rcu_dereference(dn_db->ifa_list), dn_idx = 0; ifa;
+ ifa = rcu_dereference(ifa->ifa_next), dn_idx++) {
if (dn_idx < skip_naddr)
continue;
@@ -773,6 +774,7 @@ cont:
idx++;
}
done:
+ rcu_read_unlock();
cb->args[0] = idx;
cb->args[1] = dn_idx;
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 9f09d4fc288..74544bc6fde 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1125,13 +1125,11 @@ make_route:
if (dev_out->flags & IFF_LOOPBACK)
flags |= RTCF_LOCAL;
- rt = dst_alloc(&dn_dst_ops, 0);
+ rt = dst_alloc(&dn_dst_ops, dev_out, 1, 0, DST_HOST);
if (rt == NULL)
goto e_nobufs;
- atomic_set(&rt->dst.__refcnt, 1);
- rt->dst.flags = DST_HOST;
-
+ memset(&rt->fld, 0, sizeof(rt->fld));
rt->fld.saddr = oldflp->saddr;
rt->fld.daddr = oldflp->daddr;
rt->fld.flowidn_oif = oldflp->flowidn_oif;
@@ -1146,8 +1144,6 @@ make_route:
rt->rt_dst_map = fld.daddr;
rt->rt_src_map = fld.saddr;
- rt->dst.dev = dev_out;
- dev_hold(dev_out);
rt->dst.neighbour = neigh;
neigh = NULL;
@@ -1399,10 +1395,11 @@ static int dn_route_input_slow(struct sk_buff *skb)
}
make_route:
- rt = dst_alloc(&dn_dst_ops, 0);
+ rt = dst_alloc(&dn_dst_ops, out_dev, 0, 0, DST_HOST);
if (rt == NULL)
goto e_nobufs;
+ memset(&rt->fld, 0, sizeof(rt->fld));
rt->rt_saddr = fld.saddr;
rt->rt_daddr = fld.daddr;
rt->rt_gateway = fld.daddr;
@@ -1419,9 +1416,7 @@ make_route:
rt->fld.flowidn_iif = in_dev->ifindex;
rt->fld.flowidn_mark = fld.flowidn_mark;
- rt->dst.flags = DST_HOST;
rt->dst.neighbour = neigh;
- rt->dst.dev = out_dev;
rt->dst.lastuse = jiffies;
rt->dst.output = dn_rt_bug;
switch(res.type) {
@@ -1440,8 +1435,6 @@ make_route:
rt->dst.input = dst_discard;
}
rt->rt_flags = flags;
- if (rt->dst.dev)
- dev_hold(rt->dst.dev);
err = dn_rt_set_next_hop(rt, &res);
if (err)
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index 99d8d3a4099..bd0a52dd1d4 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -123,11 +123,11 @@ static inline void dn_rebuild_zone(struct dn_zone *dz,
struct dn_fib_node **old_ht,
int old_divisor)
{
- int i;
struct dn_fib_node *f, **fp, *next;
+ int i;
for(i = 0; i < old_divisor; i++) {
- for(f = old_ht[i]; f; f = f->fn_next) {
+ for(f = old_ht[i]; f; f = next) {
next = f->fn_next;
for(fp = dn_chain_p(f->fn_key, dz);
*fp && dn_key_leq((*fp)->fn_key, f->fn_key);