5 files changed, 22 insertions, 25 deletions
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index ba4face..74d321a 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -1101,7 +1101,7 @@ static struct dn_dev *dn_dev_create(struct net_device *dev, int *err)
 
 	dn_db->neigh_parms = neigh_parms_alloc(dev, &dn_neigh_table);
 	if (!dn_db->neigh_parms) {
-		rcu_assign_pointer(dev->dn_ptr, NULL);
+		RCU_INIT_POINTER(dev->dn_ptr, NULL);
 		kfree(dn_db);
 		return NULL;
 	}
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 7f0eb08..befe426 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -88,9 +88,9 @@ static const struct neigh_ops dn_phase3_ops = {
 
 static u32 dn_neigh_hash(const void *pkey,
 			 const struct net_device *dev,
-			 __u32 hash_rnd)
+			 __u32 *hash_rnd)
 {
-	return jhash_2words(*(__u16 *)pkey, 0, hash_rnd);
+	return jhash_2words(*(__u16 *)pkey, 0, hash_rnd[0]);
 }
 
 struct neigh_table dn_neigh_table = {
@@ -107,7 +107,7 @@ struct neigh_table dn_neigh_table = {
 		.gc_staletime =	60 * HZ,
 		.reachable_time =		30 * HZ,
 		.delay_probe_time =	5 * HZ,
-		.queue_len =		3,
+		.queue_len_bytes =	64*1024,
 		.ucast_probes =	0,
 		.app_probes =		0,
 		.mcast_probes =	0,
@@ -202,7 +202,7 @@ static int dn_neigh_output_packet(struct sk_buff *skb)
 {
 	struct dst_entry *dst = skb_dst(skb);
 	struct dn_route *rt = (struct dn_route *)dst;
-	struct neighbour *neigh = dst_get_neighbour(dst);
+	struct neighbour *neigh = dst_get_neighbour_noref(dst);
 	struct net_device *dev = neigh->dev;
 	char mac_addr[ETH_ALEN];
 
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 43450c1..f31ce72 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -77,6 +77,7 @@
 #include <linux/netfilter_decnet.h>
 #include <linux/rcupdate.h>
 #include <linux/times.h>
+#include <linux/export.h>
 #include <asm/errno.h>
 #include <net/net_namespace.h>
 #include <net/netlink.h>
@@ -111,7 +112,7 @@ static unsigned long dn_rt_deadline;
 static int dn_dst_gc(struct dst_ops *ops);
 static struct dst_entry *dn_dst_check(struct dst_entry *, __u32);
 static unsigned int dn_dst_default_advmss(const struct dst_entry *dst);
-static unsigned int dn_dst_default_mtu(const struct dst_entry *dst);
+static unsigned int dn_dst_mtu(const struct dst_entry *dst);
 static void dn_dst_destroy(struct dst_entry *);
 static struct dst_entry *dn_dst_negative_advice(struct dst_entry *);
 static void dn_dst_link_failure(struct sk_buff *);
@@ -134,7 +135,7 @@ static struct dst_ops dn_dst_ops = {
 	.gc =			dn_dst_gc,
 	.check =		dn_dst_check,
 	.default_advmss =	dn_dst_default_advmss,
-	.default_mtu =		dn_dst_default_mtu,
+	.mtu =			dn_dst_mtu,
 	.cow_metrics =		dst_cow_metrics_generic,
 	.destroy =		dn_dst_destroy,
 	.negative_advice =	dn_dst_negative_advice,
@@ -243,7 +244,7 @@ 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);
+	struct neighbour *n = dst_get_neighbour_noref(dst);
 	u32 min_mtu = 230;
 	struct dn_dev *dn;
 
@@ -712,7 +713,7 @@ out:
 static int dn_to_neigh_output(struct sk_buff *skb)
 {
 	struct dst_entry *dst = skb_dst(skb);
-	struct neighbour *n = dst_get_neighbour(dst);
+	struct neighbour *n = dst_get_neighbour_noref(dst);
 
 	return n->output(n, skb);
 }
@@ -727,7 +728,7 @@ static int dn_output(struct sk_buff *skb)
 
 	int err = -EINVAL;
 
-	if ((neigh = dst_get_neighbour(dst)) == NULL)
+	if ((neigh = dst_get_neighbour_noref(dst)) == NULL)
 		goto error;
 
 	skb->dev = dev;
@@ -824,9 +825,11 @@ static unsigned int dn_dst_default_advmss(const struct dst_entry *dst)
 	return dn_mss_from_pmtu(dst->dev, dst_mtu(dst));
 }
 
-static unsigned int dn_dst_default_mtu(const struct dst_entry *dst)
+static unsigned int dn_dst_mtu(const struct dst_entry *dst)
 {
-	return dst->dev->mtu;
+	unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
+
+	return mtu ? : dst->dev->mtu;
 }
 
 static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, const void *daddr)
@@ -849,7 +852,7 @@ static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
 	}
 	rt->rt_type = res->type;
 
-	if (dev != NULL && dst_get_neighbour(&rt->dst) == NULL) {
+	if (dev != NULL && dst_get_neighbour_noref(&rt->dst) == NULL) {
 		n = __neigh_lookup_errno(&dn_neigh_table, &rt->rt_gateway, dev);
 		if (IS_ERR(n))
 			return PTR_ERR(n);
diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index f0efb0c..f65c9dd 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -23,6 +23,7 @@
 #include <linux/spinlock.h>
 #include <linux/list.h>
 #include <linux/rcupdate.h>
+#include <linux/export.h>
 #include <net/neighbour.h>
 #include <net/dst.h>
 #include <net/flow.h>
diff --git a/net/decnet/dn_timer.c b/net/decnet/dn_timer.c
index 67f691b..d9c150c 100644
--- a/net/decnet/dn_timer.c
+++ b/net/decnet/dn_timer.c
@@ -36,16 +36,13 @@ static void dn_slow_timer(unsigned long arg);
 
 void dn_start_slow_timer(struct sock *sk)
 {
-	sk->sk_timer.expires	= jiffies + SLOW_INTERVAL;
-	sk->sk_timer.function	= dn_slow_timer;
-	sk->sk_timer.data	= (unsigned long)sk;
-
-	add_timer(&sk->sk_timer);
+	setup_timer(&sk->sk_timer, dn_slow_timer, (unsigned long)sk);
+	sk_reset_timer(sk, &sk->sk_timer, jiffies + SLOW_INTERVAL);
 }
 
 void dn_stop_slow_timer(struct sock *sk)
 {
-	del_timer(&sk->sk_timer);
+	sk_stop_timer(sk, &sk->sk_timer);
 }
 
 static void dn_slow_timer(unsigned long arg)
@@ -53,12 +50,10 @@ static void dn_slow_timer(unsigned long arg)
 	struct sock *sk = (struct sock *)arg;
 	struct dn_scp *scp = DN_SK(sk);
 
-	sock_hold(sk);
 	bh_lock_sock(sk);
 
 	if (sock_owned_by_user(sk)) {
-		sk->sk_timer.expires = jiffies + HZ / 10;
-		add_timer(&sk->sk_timer);
+		sk_reset_timer(sk, &sk->sk_timer, jiffies + HZ / 10);
 		goto out;
 	}
 
@@ -100,9 +95,7 @@ static void dn_slow_timer(unsigned long arg)
 			scp->keepalive_fxn(sk);
 	}
 
-	sk->sk_timer.expires = jiffies + SLOW_INTERVAL;
-
-	add_timer(&sk->sk_timer);
+	sk_reset_timer(sk, &sk->sk_timer, jiffies + SLOW_INTERVAL);
 out:
 	bh_unlock_sock(sk);
 	sock_put(sk);