10 files changed, 180 insertions, 169 deletions

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index ce4aaf94860d..2b289ef20ab3 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -172,7 +172,7 @@ static struct hlist_head *dn_find_list(struct sock *sk)
 /* 
  * Valid ports are those greater than zero and not already in use.
  */
-static int check_port(unsigned short port)
+static int check_port(__le16 port)
 {
         struct sock *sk;
         struct hlist_node *node;
@@ -661,7 +661,7 @@ disc_reject:
         }
 }
 
-char *dn_addr2asc(dn_address addr, char *buf)
+char *dn_addr2asc(__u16 addr, char *buf)
 {
         unsigned short node, area;
 
@@ -801,7 +801,7 @@ static int dn_auto_bind(struct socket *sock)
         /* End of compatibility stuff */
 
         scp->addr.sdn_add.a_len = dn_htons(2);
-        rv = dn_dev_bind_default((dn_address *)scp->addr.sdn_add.a_addr);
+        rv = dn_dev_bind_default((__le16 *)scp->addr.sdn_add.a_addr);
         if (rv == 0) {
                 rv = dn_hash_sock(sk);
                 if (rv)
@@ -1021,7 +1021,7 @@ static void dn_user_copy(struct sk_buff *skb, struct optdata_dn *opt)
         opt->opt_optl   = *ptr++;
         opt->opt_status = 0;
         memcpy(opt->opt_data, ptr, opt->opt_optl);
-        skb_pull(skb, opt->opt_optl + 1);
+        skb_pull(skb, dn_ntohs(opt->opt_optl) + 1);
 
 }
 
@@ -1121,8 +1121,8 @@ static int dn_accept(struct socket *sock, struct socket *newsock, int flags)
 
         skb_pull(skb, dn_username2sockaddr(skb->data, skb->len, &(DN_SK(newsk)->addr), &type));
         skb_pull(skb, dn_username2sockaddr(skb->data, skb->len, &(DN_SK(newsk)->peer), &type));
-        *(dn_address *)(DN_SK(newsk)->peer.sdn_add.a_addr) = cb->src;
-        *(dn_address *)(DN_SK(newsk)->addr.sdn_add.a_addr) = cb->dst;
+        *(__le16 *)(DN_SK(newsk)->peer.sdn_add.a_addr) = cb->src;
+        *(__le16 *)(DN_SK(newsk)->addr.sdn_add.a_addr) = cb->dst;
 
         menuver = *skb->data;
         skb_pull(skb, 1);
@@ -1365,7 +1365,7 @@ static int __dn_setsockopt(struct socket *sock, int level,int optname, char __us
                         if (optlen != sizeof(struct optdata_dn))
                                 return -EINVAL;
 
-                        if (u.opt.opt_optl > 16)
+                        if (dn_ntohs(u.opt.opt_optl) > 16)
                                 return -EINVAL;
 
                         memcpy(&scp->conndata_out, &u.opt, optlen);
@@ -1378,7 +1378,7 @@ static int __dn_setsockopt(struct socket *sock, int level,int optname, char __us
                         if (optlen != sizeof(struct optdata_dn))
                                 return -EINVAL;
 
-                        if (u.opt.opt_optl > 16)
+                        if (dn_ntohs(u.opt.opt_optl) > 16)
                                 return -EINVAL;
 
                         memcpy(&scp->discdata_out, &u.opt, optlen);
@@ -1693,7 +1693,7 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock,
         if (rv)
                 goto out;
 
-        if (flags & ~(MSG_PEEK|MSG_OOB|MSG_WAITALL|MSG_DONTWAIT|MSG_NOSIGNAL)) {
+        if (flags & ~(MSG_CMSG_COMPAT|MSG_PEEK|MSG_OOB|MSG_WAITALL|MSG_DONTWAIT|MSG_NOSIGNAL)) {
                 rv = -EOPNOTSUPP;
                 goto out;
         }
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index efbead83ba7f..cc7b9d9255ef 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -64,7 +64,7 @@ extern struct neigh_table dn_neigh_table;
 /*
  * decnet_address is kept in network order.
  */
-dn_address decnet_address = 0;
+__le16 decnet_address = 0;
 
 static DEFINE_RWLOCK(dndev_lock);
 static struct net_device *decnet_default_device;
@@ -439,7 +439,7 @@ static void dn_dev_del_ifa(struct dn_dev *dn_db, struct dn_ifaddr **ifap, int de
         *ifap = ifa1->ifa_next;
 
         if (dn_db->dev->type == ARPHRD_ETHER) {
-                if (ifa1->ifa_local != dn_htons(dn_eth2dn(dev->dev_addr))) {
+                if (ifa1->ifa_local != dn_eth2dn(dev->dev_addr)) {
                         dn_dn2eth(mac_addr, ifa1->ifa_local);
                         dev_mc_delete(dev, mac_addr, ETH_ALEN, 0);
                 }
@@ -470,7 +470,7 @@ static int dn_dev_insert_ifa(struct dn_dev *dn_db, struct dn_ifaddr *ifa)
         }
 
         if (dev->type == ARPHRD_ETHER) {
-                if (ifa->ifa_local != dn_htons(dn_eth2dn(dev->dev_addr))) {
+                if (ifa->ifa_local != dn_eth2dn(dev->dev_addr)) {
                         dn_dn2eth(mac_addr, ifa->ifa_local);
                         dev_mc_add(dev, mac_addr, ETH_ALEN, 0);
                         dev_mc_upload(dev);
@@ -561,7 +561,7 @@ int dn_dev_ioctl(unsigned int cmd, void __user *arg)
 
         switch(cmd) {
                 case SIOCGIFADDR:
-                        *((dn_address *)sdn->sdn_nodeaddr) = ifa->ifa_local;
+                        *((__le16 *)sdn->sdn_nodeaddr) = ifa->ifa_local;
                         goto rarok;
 
                 case SIOCSIFADDR:
@@ -804,7 +804,7 @@ done:
         return skb->len;
 }
 
-static int dn_dev_get_first(struct net_device *dev, dn_address *addr)
+static int dn_dev_get_first(struct net_device *dev, __le16 *addr)
 {
         struct dn_dev *dn_db = (struct dn_dev *)dev->dn_ptr;
         struct dn_ifaddr *ifa;
@@ -830,7 +830,7 @@ out:
  * a sensible default. Eventually the routing code will take care of all the
  * nasties for us I hope.
  */
-int dn_dev_bind_default(dn_address *addr)
+int dn_dev_bind_default(__le16 *addr)
 {
         struct net_device *dev;
         int rv;
@@ -853,7 +853,7 @@ static void dn_send_endnode_hello(struct net_device *dev, struct dn_ifaddr *ifa)
 {
         struct endnode_hello_message *msg;
         struct sk_buff *skb = NULL;
-        unsigned short int *pktlen;
+        __le16 *pktlen;
         struct dn_dev *dn_db = (struct dn_dev *)dev->dn_ptr;
 
         if ((skb = dn_alloc_skb(NULL, sizeof(*msg), GFP_ATOMIC)) == NULL)
@@ -882,7 +882,7 @@ static void dn_send_endnode_hello(struct net_device *dev, struct dn_ifaddr *ifa)
         msg->datalen = 0x02;
         memset(msg->data, 0xAA, 2);
         
-        pktlen = (unsigned short *)skb_push(skb,2);
+        pktlen = (__le16 *)skb_push(skb,2);
         *pktlen = dn_htons(skb->len - 2);
 
         skb->nh.raw = skb->data;
@@ -926,7 +926,7 @@ static void dn_send_router_hello(struct net_device *dev, struct dn_ifaddr *ifa)
         size_t size;
         unsigned char *ptr;
         unsigned char *i1, *i2;
-        unsigned short *pktlen;
+        __le16 *pktlen;
         char *src;
 
         if (mtu2blksize(dev) < (26 + 7))
@@ -955,11 +955,11 @@ static void dn_send_router_hello(struct net_device *dev, struct dn_ifaddr *ifa)
         ptr += ETH_ALEN;
         *ptr++ = dn_db->parms.forwarding == 1 ? 
                         DN_RT_INFO_L1RT : DN_RT_INFO_L2RT;
-        *((unsigned short *)ptr) = dn_htons(mtu2blksize(dev));
+        *((__le16 *)ptr) = dn_htons(mtu2blksize(dev));
         ptr += 2;
         *ptr++ = dn_db->parms.priority; /* Priority */ 
         *ptr++ = 0; /* Area: Reserved */
-        *((unsigned short *)ptr) = dn_htons((unsigned short)dn_db->parms.t3);
+        *((__le16 *)ptr) = dn_htons((unsigned short)dn_db->parms.t3);
         ptr += 2;
         *ptr++ = 0; /* MPD: Reserved */
         i1 = ptr++;
@@ -974,7 +974,7 @@ static void dn_send_router_hello(struct net_device *dev, struct dn_ifaddr *ifa)
 
         skb_trim(skb, (27 + *i2));
 
-        pktlen = (unsigned short *)skb_push(skb, 2);
+        pktlen = (__le16 *)skb_push(skb, 2);
         *pktlen = dn_htons(skb->len - 2);
 
         skb->nh.raw = skb->data;
@@ -1016,7 +1016,7 @@ static void dn_send_ptp_hello(struct net_device *dev, struct dn_ifaddr *ifa)
         ptr = skb_put(skb, 2 + 4 + tdlen);
 
         *ptr++ = DN_RT_PKT_HELO;
-        *((dn_address *)ptr) = ifa->ifa_local;
+        *((__le16 *)ptr) = ifa->ifa_local;
         ptr += 2;
         *ptr++ = tdlen;
 
@@ -1150,7 +1150,7 @@ struct dn_dev *dn_dev_create(struct net_device *dev, int *err)
 void dn_dev_up(struct net_device *dev)
 {
         struct dn_ifaddr *ifa;
-        dn_address addr = decnet_address;
+        __le16 addr = decnet_address;
         int maybe_default = 0;
         struct dn_dev *dn_db = (struct dn_dev *)dev->dn_ptr;
 
@@ -1173,7 +1173,7 @@ void dn_dev_up(struct net_device *dev)
         if (dev->type == ARPHRD_ETHER) {
                 if (memcmp(dev->dev_addr, dn_hiord, 4) != 0)
                         return;
-                addr = dn_htons(dn_eth2dn(dev->dev_addr));
+                addr = dn_eth2dn(dev->dev_addr);
                 maybe_default = 1;
         }
 
@@ -1385,8 +1385,8 @@ static int dn_dev_seq_show(struct seq_file *seq, void *v)
                                 mtu2blksize(dev),
                                 dn_db->parms.priority,
                                 dn_db->parms.state, dn_db->parms.name,
-                                dn_db->router ? dn_addr2asc(dn_ntohs(*(dn_address *)dn_db->router->primary_key), router_buf) : "",
-                                dn_db->peer ? dn_addr2asc(dn_ntohs(*(dn_address *)dn_db->peer->primary_key), peer_buf) : "");
+                                dn_db->router ? dn_addr2asc(dn_ntohs(*(__le16 *)dn_db->router->primary_key), router_buf) : "",
+                                dn_db->peer ? dn_addr2asc(dn_ntohs(*(__le16 *)dn_db->peer->primary_key), peer_buf) : "");
         }
         return 0;
 }
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index 99bc061759c3..bd4ce8681a12 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -143,11 +143,11 @@ static inline struct dn_fib_info *dn_fib_find_info(const struct dn_fib_info *nfi
         return NULL;
 }
 
-u16 dn_fib_get_attr16(struct rtattr *attr, int attrlen, int type)
+__le16 dn_fib_get_attr16(struct rtattr *attr, int attrlen, int type)
 {
         while(RTA_OK(attr,attrlen)) {
                 if (attr->rta_type == type)
-                        return *(u16*)RTA_DATA(attr);
+                        return *(__le16*)RTA_DATA(attr);
                 attr = RTA_NEXT(attr, attrlen);
         }
 
@@ -565,7 +565,7 @@ int dn_fib_dump(struct sk_buff *skb, struct netlink_callback *cb)
         return skb->len;
 }
 
-static void fib_magic(int cmd, int type, __u16 dst, int dst_len, struct dn_ifaddr *ifa)
+static void fib_magic(int cmd, int type, __le16 dst, int dst_len, struct dn_ifaddr *ifa)
 {
         struct dn_fib_table *tb;
         struct {
@@ -684,7 +684,7 @@ static int dn_fib_dnaddr_event(struct notifier_block *this, unsigned long event,
         return NOTIFY_DONE;
 }
 
-int dn_fib_sync_down(dn_address local, struct net_device *dev, int force)
+int dn_fib_sync_down(__le16 local, struct net_device *dev, int force)
 {
         int ret = 0;
         int scope = RT_SCOPE_NOWHERE;
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 33ab256cfd4a..7c8692c26bfe 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -95,7 +95,7 @@ static struct neigh_ops dn_phase3_ops = {
 struct neigh_table dn_neigh_table = {
         .family =                       PF_DECnet,
         .entry_size =                   sizeof(struct dn_neigh),
-        .key_len =                      sizeof(dn_address),
+        .key_len =                      sizeof(__le16),
         .hash =                         dn_neigh_hash,
         .constructor =                  dn_neigh_construct,
         .id =                           "dn_neigh_cache",
@@ -123,7 +123,7 @@ struct neigh_table dn_neigh_table = {
 
 static u32 dn_neigh_hash(const void *pkey, const struct net_device *dev)
 {
-        return jhash_2words(*(dn_address *)pkey, 0, dn_neigh_table.hash_rnd);
+        return jhash_2words(*(__u16 *)pkey, 0, dn_neigh_table.hash_rnd);
 }
 
 static int dn_neigh_construct(struct neighbour *neigh)
@@ -249,14 +249,14 @@ static int dn_long_output(struct sk_buff *skb)
         data = skb_push(skb, sizeof(struct dn_long_packet) + 3);
         lp = (struct dn_long_packet *)(data+3);
 
-        *((unsigned short *)data) = dn_htons(skb->len - 2);
+        *((__le16 *)data) = dn_htons(skb->len - 2);
         *(data + 2) = 1 | DN_RT_F_PF; /* Padding */
 
         lp->msgflg   = DN_RT_PKT_LONG|(cb->rt_flags&(DN_RT_F_IE|DN_RT_F_RQR|DN_RT_F_RTS));
         lp->d_area   = lp->d_subarea = 0;
-        dn_dn2eth(lp->d_id, dn_ntohs(cb->dst));
+        dn_dn2eth(lp->d_id, cb->dst);
         lp->s_area   = lp->s_subarea = 0;
-        dn_dn2eth(lp->s_id, dn_ntohs(cb->src));
+        dn_dn2eth(lp->s_id, cb->src);
         lp->nl2      = 0;
         lp->visit_ct = cb->hops & 0x3f;
         lp->s_class  = 0;
@@ -293,7 +293,7 @@ static int dn_short_output(struct sk_buff *skb)
         }
 
         data = skb_push(skb, sizeof(struct dn_short_packet) + 2);
-        *((unsigned short *)data) = dn_htons(skb->len - 2);
+        *((__le16 *)data) = dn_htons(skb->len - 2);
         sp = (struct dn_short_packet *)(data+2);
 
         sp->msgflg     = DN_RT_PKT_SHORT|(cb->rt_flags&(DN_RT_F_RQR|DN_RT_F_RTS));
@@ -335,7 +335,7 @@ static int dn_phase3_output(struct sk_buff *skb)
         }
 
         data = skb_push(skb, sizeof(struct dn_short_packet) + 2);
-        *((unsigned short *)data) = dn_htons(skb->len - 2);
+        *((__le16 *)data) = dn_htons(skb->len - 2);
         sp = (struct dn_short_packet *)(data + 2);
 
         sp->msgflg   = DN_RT_PKT_SHORT|(cb->rt_flags&(DN_RT_F_RQR|DN_RT_F_RTS));
@@ -373,9 +373,9 @@ int dn_neigh_router_hello(struct sk_buff *skb)
         struct neighbour *neigh;
         struct dn_neigh *dn;
         struct dn_dev *dn_db;
-        dn_address src;
+        __le16 src;
 
-        src = dn_htons(dn_eth2dn(msg->id));
+        src = dn_eth2dn(msg->id);
 
         neigh = __neigh_lookup(&dn_neigh_table, &src, skb->dev, 1);
 
@@ -409,7 +409,7 @@ int dn_neigh_router_hello(struct sk_buff *skb)
                 }
 
                 /* Only use routers in our area */
-                if ((dn_ntohs(src)>>10) == dn_ntohs((decnet_address)>>10)) {
+                if ((dn_ntohs(src)>>10) == (dn_ntohs((decnet_address))>>10)) {
                         if (!dn_db->router) {
                                 dn_db->router = neigh_clone(neigh);
                         } else {
@@ -433,9 +433,9 @@ int dn_neigh_endnode_hello(struct sk_buff *skb)
         struct endnode_hello_message *msg = (struct endnode_hello_message *)skb->data;
         struct neighbour *neigh;
         struct dn_neigh *dn;
-        dn_address src;
+        __le16 src;
 
-        src = dn_htons(dn_eth2dn(msg->id));
+        src = dn_eth2dn(msg->id);
 
         neigh = __neigh_lookup(&dn_neigh_table, &src, skb->dev, 1);
 
diff --git a/net/decnet/dn_nsp_in.c b/net/decnet/dn_nsp_in.c
index 44bda85e678f..547523b41c81 100644
--- a/net/decnet/dn_nsp_in.c
+++ b/net/decnet/dn_nsp_in.c
@@ -85,7 +85,7 @@ static void dn_log_martian(struct sk_buff *skb, const char *msg)
         if (decnet_log_martians && net_ratelimit()) {
                 char *devname = skb->dev ? skb->dev->name : "???";
                 struct dn_skb_cb *cb = DN_SKB_CB(skb);
-                printk(KERN_INFO "DECnet: Martian packet (%s) dev=%s src=0x%04hx dst=0x%04hx srcport=0x%04hx dstport=0x%04hx\n", msg, devname, cb->src, cb->dst, cb->src_port, cb->dst_port);
+                printk(KERN_INFO "DECnet: Martian packet (%s) dev=%s src=0x%04hx dst=0x%04hx srcport=0x%04hx dstport=0x%04hx\n", msg, devname, dn_ntohs(cb->src), dn_ntohs(cb->dst), dn_ntohs(cb->src_port), dn_ntohs(cb->dst_port));
         }
 }
 
@@ -128,7 +128,7 @@ static void dn_ack(struct sock *sk, struct sk_buff *skb, unsigned short ack)
  */
 static int dn_process_ack(struct sock *sk, struct sk_buff *skb, int oth)
 {
-        unsigned short *ptr = (unsigned short *)skb->data;
+        __le16 *ptr = (__le16 *)skb->data;
         int len = 0;
         unsigned short ack;
 
@@ -346,7 +346,7 @@ static void dn_nsp_conn_conf(struct sock *sk, struct sk_buff *skb)
         ptr = skb->data;
         cb->services = *ptr++;
         cb->info = *ptr++;
-        cb->segsize = dn_ntohs(*(__u16 *)ptr);
+        cb->segsize = dn_ntohs(*(__le16 *)ptr);
 
         if ((scp->state == DN_CI) || (scp->state == DN_CD)) {
                 scp->persist = 0;
@@ -363,7 +363,7 @@ static void dn_nsp_conn_conf(struct sock *sk, struct sk_buff *skb)
                 if (skb->len > 0) {
                         unsigned char dlen = *skb->data;
                         if ((dlen <= 16) && (dlen <= skb->len)) {
-                                scp->conndata_in.opt_optl = dlen;
+                                scp->conndata_in.opt_optl = dn_htons((__u16)dlen);
                                 memcpy(scp->conndata_in.opt_data, skb->data + 1, dlen);
                         }
                 }
@@ -397,17 +397,17 @@ static void dn_nsp_disc_init(struct sock *sk, struct sk_buff *skb)
         if (skb->len < 2)
                 goto out;
 
-        reason = dn_ntohs(*(__u16 *)skb->data);
+        reason = dn_ntohs(*(__le16 *)skb->data);
         skb_pull(skb, 2);
 
-        scp->discdata_in.opt_status = reason;
+        scp->discdata_in.opt_status = dn_htons(reason);
         scp->discdata_in.opt_optl   = 0;
         memset(scp->discdata_in.opt_data, 0, 16);
 
         if (skb->len > 0) {
                 unsigned char dlen = *skb->data;
                 if ((dlen <= 16) && (dlen <= skb->len)) {
-                        scp->discdata_in.opt_optl = dlen;
+                        scp->discdata_in.opt_optl = dn_htons((__u16)dlen);
                         memcpy(scp->discdata_in.opt_data, skb->data + 1, dlen);
                 }
         }
@@ -464,7 +464,7 @@ static void dn_nsp_disc_conf(struct sock *sk, struct sk_buff *skb)
         if (skb->len != 2)
                 goto out;
 
-        reason = dn_ntohs(*(__u16 *)skb->data);
+        reason = dn_ntohs(*(__le16 *)skb->data);
 
         sk->sk_state = TCP_CLOSE;
 
@@ -513,7 +513,7 @@ static void dn_nsp_linkservice(struct sock *sk, struct sk_buff *skb)
         if (skb->len != 4)
                 goto out;
 
-        segnum = dn_ntohs(*(__u16 *)ptr);
+        segnum = dn_ntohs(*(__le16 *)ptr);
         ptr += 2;
         lsflags = *(unsigned char *)ptr++;
         fcval = *ptr;
@@ -621,7 +621,7 @@ static void dn_nsp_otherdata(struct sock *sk, struct sk_buff *skb)
         if (skb->len < 2)
                 goto out;
 
-        cb->segnum = segnum = dn_ntohs(*(__u16 *)skb->data);
+        cb->segnum = segnum = dn_ntohs(*(__le16 *)skb->data);
         skb_pull(skb, 2);
 
         if (seq_next(scp->numoth_rcv, segnum)) {
@@ -649,7 +649,7 @@ static void dn_nsp_data(struct sock *sk, struct sk_buff *skb)
         if (skb->len < 2)
                 goto out;
 
-        cb->segnum = segnum = dn_ntohs(*(__u16 *)skb->data);
+        cb->segnum = segnum = dn_ntohs(*(__le16 *)skb->data);
         skb_pull(skb, 2);
 
         if (seq_next(scp->numdat_rcv, segnum)) {
@@ -760,7 +760,7 @@ static int dn_nsp_rx_packet(struct sk_buff *skb)
         /*
          * Grab the destination address.
          */
-        cb->dst_port = *(unsigned short *)ptr;
+        cb->dst_port = *(__le16 *)ptr;
         cb->src_port = 0;
         ptr += 2;
 
@@ -768,7 +768,7 @@ static int dn_nsp_rx_packet(struct sk_buff *skb)
          * If not a connack, grab the source address too.
          */
         if (pskb_may_pull(skb, 5)) {
-                cb->src_port = *(unsigned short *)ptr;
+                cb->src_port = *(__le16 *)ptr;
                 ptr += 2;
                 skb_pull(skb, 5);
         }
@@ -778,7 +778,7 @@ static int dn_nsp_rx_packet(struct sk_buff *skb)
          * Swap src & dst and look up in the normal way.
          */
         if (unlikely(cb->rt_flags & DN_RT_F_RTS)) {
-                unsigned short tmp = cb->dst_port;
+                __le16 tmp = cb->dst_port;
                 cb->dst_port = cb->src_port;
                 cb->src_port = tmp;
                 tmp = cb->dst;
diff --git a/net/decnet/dn_nsp_out.c b/net/decnet/dn_nsp_out.c
index c96c767b1f74..c2e21cd89b3c 100644
--- a/net/decnet/dn_nsp_out.c
+++ b/net/decnet/dn_nsp_out.c
@@ -287,26 +287,26 @@ int dn_nsp_xmit_timeout(struct sock *sk)
         return 0;
 }
 
-static inline unsigned char *dn_mk_common_header(struct dn_scp *scp, struct sk_buff *skb, unsigned char msgflag, int len)
+static inline __le16 *dn_mk_common_header(struct dn_scp *scp, struct sk_buff *skb, unsigned char msgflag, int len)
 {
         unsigned char *ptr = skb_push(skb, len);
 
         BUG_ON(len < 5);
 
         *ptr++ = msgflag;
-        *((unsigned short *)ptr) = scp->addrrem;
+        *((__le16 *)ptr) = scp->addrrem;
         ptr += 2;
-        *((unsigned short *)ptr) = scp->addrloc;
+        *((__le16 *)ptr) = scp->addrloc;
         ptr += 2;
-        return ptr;
+        return (__le16 __force *)ptr;
 }
 
-static unsigned short *dn_mk_ack_header(struct sock *sk, struct sk_buff *skb, unsigned char msgflag, int hlen, int other)
+static __le16 *dn_mk_ack_header(struct sock *sk, struct sk_buff *skb, unsigned char msgflag, int hlen, int other)
 {
         struct dn_scp *scp = DN_SK(sk);
         unsigned short acknum = scp->numdat_rcv & 0x0FFF;
         unsigned short ackcrs = scp->numoth_rcv & 0x0FFF;
-        unsigned short *ptr;
+        __le16 *ptr;
 
         BUG_ON(hlen < 9);
 
@@ -325,7 +325,7 @@ static unsigned short *dn_mk_ack_header(struct sock *sk, struct sk_buff *skb, un
         /* Set "cross subchannel" bit in ackcrs */
         ackcrs |= 0x2000;
 
-        ptr = (unsigned short *)dn_mk_common_header(scp, skb, msgflag, hlen);
+        ptr = (__le16 *)dn_mk_common_header(scp, skb, msgflag, hlen);
 
         *ptr++ = dn_htons(acknum);
         *ptr++ = dn_htons(ackcrs);
@@ -333,11 +333,11 @@ static unsigned short *dn_mk_ack_header(struct sock *sk, struct sk_buff *skb, un
         return ptr;
 }
 
-static unsigned short *dn_nsp_mk_data_header(struct sock *sk, struct sk_buff *skb, int oth)
+static __le16 *dn_nsp_mk_data_header(struct sock *sk, struct sk_buff *skb, int oth)
 {
         struct dn_scp *scp = DN_SK(sk);
         struct dn_skb_cb *cb = DN_SKB_CB(skb);
-        unsigned short *ptr = dn_mk_ack_header(sk, skb, cb->nsp_flags, 11, oth);
+        __le16 *ptr = dn_mk_ack_header(sk, skb, cb->nsp_flags, 11, oth);
 
         if (unlikely(oth)) {
                 cb->segnum = scp->numoth;
@@ -524,9 +524,9 @@ void dn_send_conn_conf(struct sock *sk, gfp_t gfp)
         struct dn_scp *scp = DN_SK(sk);
         struct sk_buff *skb = NULL;
         struct nsp_conn_init_msg *msg;
-        unsigned char len = scp->conndata_out.opt_optl;
+        __u8 len = (__u8)dn_ntohs(scp->conndata_out.opt_optl);
 
-        if ((skb = dn_alloc_skb(sk, 50 + scp->conndata_out.opt_optl, gfp)) == NULL)
+        if ((skb = dn_alloc_skb(sk, 50 + dn_ntohs(scp->conndata_out.opt_optl), gfp)) == NULL)
                 return;
 
         msg = (struct nsp_conn_init_msg *)skb_put(skb, sizeof(*msg));
@@ -553,7 +553,7 @@ void dn_send_conn_conf(struct sock *sk, gfp_t gfp)
 static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg, 
                         unsigned short reason, gfp_t gfp,
                         struct dst_entry *dst,
-                        int ddl, unsigned char *dd, __u16 rem, __u16 loc)
+                        int ddl, unsigned char *dd, __le16 rem, __le16 loc)
 {
         struct sk_buff *skb = NULL;
         int size = 7 + ddl + ((msgflg == NSP_DISCINIT) ? 1 : 0);
@@ -561,7 +561,7 @@ static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg,
 
         if ((dst == NULL) || (rem == 0)) {
                 if (net_ratelimit())
-                        printk(KERN_DEBUG "DECnet: dn_nsp_do_disc: BUG! Please report this to SteveW@ACM.org rem=%u dst=%p\n", (unsigned)rem, dst);
+                        printk(KERN_DEBUG "DECnet: dn_nsp_do_disc: BUG! Please report this to SteveW@ACM.org rem=%u dst=%p\n", dn_ntohs(rem), dst);
                 return;
         }
 
@@ -570,11 +570,11 @@ static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg,
 
         msg = skb_put(skb, size);
         *msg++ = msgflg;
-        *(__u16 *)msg = rem;
+        *(__le16 *)msg = rem;
         msg += 2;
-        *(__u16 *)msg = loc;
+        *(__le16 *)msg = loc;
         msg += 2;
-        *(__u16 *)msg = dn_htons(reason);
+        *(__le16 *)msg = dn_htons(reason);
         msg += 2;
         if (msgflg == NSP_DISCINIT)
                 *msg++ = ddl;
@@ -600,10 +600,10 @@ void dn_nsp_send_disc(struct sock *sk, unsigned char msgflg,
         int ddl = 0;
 
         if (msgflg == NSP_DISCINIT)
-                ddl = scp->discdata_out.opt_optl;
+                ddl = dn_ntohs(scp->discdata_out.opt_optl);
 
         if (reason == 0)
-                reason = scp->discdata_out.opt_status;
+                reason = dn_ntohs(scp->discdata_out.opt_status);
 
         dn_nsp_do_disc(sk, msgflg, reason, gfp, sk->sk_dst_cache, ddl, 
                 scp->discdata_out.opt_data, scp->addrrem, scp->addrloc);
@@ -708,7 +708,7 @@ void dn_nsp_send_conninit(struct sock *sk, unsigned char msgflg)
         if (aux > 0)
         memcpy(skb_put(skb, aux), scp->accessdata.acc_acc, aux);
 
-        aux = scp->conndata_out.opt_optl;
+        aux = (__u8)dn_ntohs(scp->conndata_out.opt_optl);
         *skb_put(skb, 1) = aux;
         if (aux > 0)
         memcpy(skb_put(skb,aux), scp->conndata_out.opt_data, aux);
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 3407f190afe8..e172cf98d7fc 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -133,9 +133,9 @@ static struct dst_ops dn_dst_ops = {
         .entries =              ATOMIC_INIT(0),
 };
 
-static __inline__ unsigned dn_hash(unsigned short src, unsigned short dst)
+static __inline__ unsigned dn_hash(__le16 src, __le16 dst)
 {
-        unsigned short tmp = src ^ dst;
+        __u16 tmp = (__u16 __force)(src ^ dst);
         tmp ^= (tmp >> 3);
         tmp ^= (tmp >> 5);
         tmp ^= (tmp >> 10);
@@ -149,8 +149,7 @@ static inline void dnrt_free(struct dn_route *rt)
 
 static inline void dnrt_drop(struct dn_route *rt)
 {
-        if (rt)
-                dst_release(&rt->u.dst);
+        dst_release(&rt->u.dst);
         call_rcu_bh(&rt->u.dst.rcu_head, dst_rcu_free);
 }
 
@@ -379,9 +378,9 @@ static int dn_return_short(struct sk_buff *skb)
 {
         struct dn_skb_cb *cb;
         unsigned char *ptr;
-        dn_address *src;
-        dn_address *dst;
-        dn_address tmp;
+        __le16 *src;
+        __le16 *dst;
+        __le16 tmp;
 
         /* Add back headers */
         skb_push(skb, skb->data - skb->nh.raw);
@@ -394,9 +393,9 @@ static int dn_return_short(struct sk_buff *skb)
         ptr = skb->data + 2;
         *ptr++ = (cb->rt_flags & ~DN_RT_F_RQR) | DN_RT_F_RTS;
 
-        dst = (dn_address *)ptr;
+        dst = (__le16 *)ptr;
         ptr += 2;
-        src = (dn_address *)ptr;
+        src = (__le16 *)ptr;
         ptr += 2;
         *ptr = 0; /* Zero hop count */
 
@@ -475,7 +474,8 @@ static int dn_route_rx_packet(struct sk_buff *skb)
                 struct dn_skb_cb *cb = DN_SKB_CB(skb);
                 printk(KERN_DEBUG
                         "DECnet: dn_route_rx_packet: rt_flags=0x%02x dev=%s len=%d src=0x%04hx dst=0x%04hx err=%d type=%d\n",
-                        (int)cb->rt_flags, devname, skb->len, cb->src, cb->dst, 
+                        (int)cb->rt_flags, devname, skb->len,
+                        dn_ntohs(cb->src), dn_ntohs(cb->dst),
                         err, skb->pkt_type);
         }
 
@@ -505,7 +505,7 @@ static int dn_route_rx_long(struct sk_buff *skb)
 
         /* Destination info */
         ptr += 2;
-        cb->dst = dn_htons(dn_eth2dn(ptr));
+        cb->dst = dn_eth2dn(ptr);
         if (memcmp(ptr, dn_hiord_addr, 4) != 0)
                 goto drop_it;
         ptr += 6;
@@ -513,7 +513,7 @@ static int dn_route_rx_long(struct sk_buff *skb)
 
         /* Source info */
         ptr += 2;
-        cb->src = dn_htons(dn_eth2dn(ptr));
+        cb->src = dn_eth2dn(ptr);
         if (memcmp(ptr, dn_hiord_addr, 4) != 0)
                 goto drop_it;
         ptr += 6;
@@ -541,9 +541,9 @@ static int dn_route_rx_short(struct sk_buff *skb)
         skb_pull(skb, 5);
         skb->h.raw = skb->data;
 
-        cb->dst = *(dn_address *)ptr;
+        cb->dst = *(__le16 *)ptr;
         ptr += 2;
-        cb->src = *(dn_address *)ptr;
+        cb->src = *(__le16 *)ptr;
         ptr += 2;
         cb->hops = *ptr & 0x3f;
 
@@ -575,7 +575,7 @@ int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type
 {
         struct dn_skb_cb *cb;
         unsigned char flags = 0;
-        __u16 len = dn_ntohs(*(__u16 *)skb->data);
+        __u16 len = dn_ntohs(*(__le16 *)skb->data);
         struct dn_dev *dn = (struct dn_dev *)dev->dn_ptr;
         unsigned char padlen = 0;
 
@@ -782,7 +782,7 @@ static int dn_rt_bug(struct sk_buff *skb)
                 struct dn_skb_cb *cb = DN_SKB_CB(skb);
 
                 printk(KERN_DEBUG "dn_rt_bug: skb from:%04x to:%04x\n",
-                                cb->src, cb->dst);
+                                dn_ntohs(cb->src), dn_ntohs(cb->dst));
         }
 
         kfree_skb(skb);
@@ -823,7 +823,7 @@ static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
         return 0;
 }
 
-static inline int dn_match_addr(__u16 addr1, __u16 addr2)
+static inline int dn_match_addr(__le16 addr1, __le16 addr2)
 {
         __u16 tmp = dn_ntohs(addr1) ^ dn_ntohs(addr2);
         int match = 16;
@@ -834,9 +834,9 @@ static inline int dn_match_addr(__u16 addr1, __u16 addr2)
         return match;
 }
 
-static __u16 dnet_select_source(const struct net_device *dev, __u16 daddr, int scope)
+static __le16 dnet_select_source(const struct net_device *dev, __le16 daddr, int scope)
 {
-        __u16 saddr = 0;
+        __le16 saddr = 0;
         struct dn_dev *dn_db = dev->dn_ptr;
         struct dn_ifaddr *ifa;
         int best_match = 0;
@@ -861,14 +861,14 @@ static __u16 dnet_select_source(const struct net_device *dev, __u16 daddr, int s
         return saddr;
 }
 
-static inline __u16 __dn_fib_res_prefsrc(struct dn_fib_res *res)
+static inline __le16 __dn_fib_res_prefsrc(struct dn_fib_res *res)
 {
         return dnet_select_source(DN_FIB_RES_DEV(*res), DN_FIB_RES_GW(*res), res->scope);
 }
 
-static inline __u16 dn_fib_rules_map_destination(__u16 daddr, struct dn_fib_res *res)
+static inline __le16 dn_fib_rules_map_destination(__le16 daddr, struct dn_fib_res *res)
 {
-        __u16 mask = dnet_make_mask(res->prefixlen);
+        __le16 mask = dnet_make_mask(res->prefixlen);
         return (daddr&~mask)|res->fi->fib_nh->nh_gw;
 }
 
@@ -892,12 +892,13 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
         struct dn_fib_res res = { .fi = NULL, .type = RTN_UNICAST };
         int err;
         int free_res = 0;
-        __u16 gateway = 0;
+        __le16 gateway = 0;
 
         if (decnet_debug_level & 16)
                 printk(KERN_DEBUG
                        "dn_route_output_slow: dst=%04x src=%04x mark=%d"
-                       " iif=%d oif=%d\n", oldflp->fld_dst, oldflp->fld_src,
+                       " iif=%d oif=%d\n", dn_ntohs(oldflp->fld_dst),
+                       dn_ntohs(oldflp->fld_src),
                        oldflp->fld_fwmark, loopback_dev.ifindex, oldflp->oif);
 
         /* If we have an output interface, verify its a DECnet device */
@@ -961,8 +962,9 @@ source_ok:
         if (decnet_debug_level & 16)
                 printk(KERN_DEBUG
                        "dn_route_output_slow: initial checks complete."
-                       " dst=%o4x src=%04x oif=%d try_hard=%d\n", fl.fld_dst,
-                       fl.fld_src, fl.oif, try_hard);
+                       " dst=%o4x src=%04x oif=%d try_hard=%d\n",
+                       dn_ntohs(fl.fld_dst), dn_ntohs(fl.fld_src),
+                       fl.oif, try_hard);
 
         /*
          * N.B. If the kernel is compiled without router support then
@@ -1218,8 +1220,8 @@ static int dn_route_input_slow(struct sk_buff *skb)
         struct neighbour *neigh = NULL;
         unsigned hash;
         int flags = 0;
-        __u16 gateway = 0;
-        __u16 local_src = 0;
+        __le16 gateway = 0;
+        __le16 local_src = 0;
         struct flowi fl = { .nl_u = { .dn_u = 
                                      { .daddr = cb->dst,
                                        .saddr = cb->src,
@@ -1266,7 +1268,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
                 res.type = RTN_LOCAL;
                 flags |= RTCF_DIRECTSRC;
         } else {
-                __u16 src_map = fl.fld_src;
+                __le16 src_map = fl.fld_src;
                 free_res = 1;
 
                 out_dev = DN_FIB_RES_DEV(res);
diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index 1060de70bc0c..446faafe2065 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -27,6 +27,8 @@
 #include <linux/timer.h>
 #include <linux/spinlock.h>
 #include <linux/in_route.h>
+#include <linux/list.h>
+#include <linux/rcupdate.h>
 #include <asm/atomic.h>
 #include <asm/uaccess.h>
 #include <net/neighbour.h>
@@ -39,18 +41,18 @@
 
 struct dn_fib_rule
 {
-        struct dn_fib_rule      *r_next;
+        struct hlist_node       r_hlist;
         atomic_t                r_clntref;
         u32                     r_preference;
         unsigned char           r_table;
         unsigned char           r_action;
         unsigned char           r_dst_len;
         unsigned char           r_src_len;
-        dn_address              r_src;
-        dn_address              r_srcmask;
-        dn_address              r_dst;
-        dn_address              r_dstmask;
-        dn_address              r_srcmap;
+        __le16                  r_src;
+        __le16                  r_srcmask;
+        __le16                  r_dst;
+        __le16                  r_dstmask;
+        __le16                  r_srcmap;
         u8                      r_flags;
 #ifdef CONFIG_DECNET_ROUTE_FWMARK
         u32                     r_fwmark;
@@ -58,6 +60,7 @@ struct dn_fib_rule
         int                     r_ifindex;
         char                    r_ifname[IFNAMSIZ];
         int                     r_dead;
+        struct rcu_head         rcu;
 };
 
 static struct dn_fib_rule default_rule = {
@@ -67,18 +70,17 @@ static struct dn_fib_rule default_rule = {
         .r_action =             RTN_UNICAST
 };
 
-static struct dn_fib_rule *dn_fib_rules = &default_rule;
-static DEFINE_RWLOCK(dn_fib_rules_lock);
-
+static struct hlist_head dn_fib_rules;
 
 int dn_fib_rtm_delrule(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 {
         struct rtattr **rta = arg;
         struct rtmsg *rtm = NLMSG_DATA(nlh);
-        struct dn_fib_rule *r, **rp;
+        struct dn_fib_rule *r;
+        struct hlist_node *node;
         int err = -ESRCH;
 
-        for(rp=&dn_fib_rules; (r=*rp) != NULL; rp = &r->r_next) {
+        hlist_for_each_entry(r, node, &dn_fib_rules, r_hlist) {
                 if ((!rta[RTA_SRC-1] || memcmp(RTA_DATA(rta[RTA_SRC-1]), &r->r_src, 2) == 0) &&
                         rtm->rtm_src_len == r->r_src_len &&
                         rtm->rtm_dst_len == r->r_dst_len &&
@@ -95,10 +97,8 @@ int dn_fib_rtm_delrule(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
                         if (r == &default_rule)
                                 break;
 
-                        write_lock_bh(&dn_fib_rules_lock);
-                        *rp = r->r_next;
+                        hlist_del_rcu(&r->r_hlist);
                         r->r_dead = 1;
-                        write_unlock_bh(&dn_fib_rules_lock);
                         dn_fib_rule_put(r);
                         err = 0;
                         break;
@@ -108,11 +108,17 @@ int dn_fib_rtm_delrule(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
         return err;
 }
 
+static inline void dn_fib_rule_put_rcu(struct rcu_head *head)
+{
+        struct dn_fib_rule *r = container_of(head, struct dn_fib_rule, rcu);
+        kfree(r);
+}
+
 void dn_fib_rule_put(struct dn_fib_rule *r)
 {
         if (atomic_dec_and_test(&r->r_clntref)) {
                 if (r->r_dead)
-                        kfree(r);
+                        call_rcu(&r->rcu, dn_fib_rule_put_rcu);
                 else
                         printk(KERN_DEBUG "Attempt to free alive dn_fib_rule\n");
         }
@@ -123,7 +129,8 @@ int dn_fib_rtm_newrule(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 {
         struct rtattr **rta = arg;
         struct rtmsg *rtm = NLMSG_DATA(nlh);
-        struct dn_fib_rule *r, *new_r, **rp;
+        struct dn_fib_rule *r, *new_r, *last = NULL;
+        struct hlist_node *node = NULL;
         unsigned char table_id;
 
         if (rtm->rtm_src_len > 16 || rtm->rtm_dst_len > 16)
@@ -149,6 +156,7 @@ int dn_fib_rtm_newrule(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
         if (!new_r)
                 return -ENOMEM;
         memset(new_r, 0, sizeof(*new_r));
+
         if (rta[RTA_SRC-1])
                 memcpy(&new_r->r_src, RTA_DATA(rta[RTA_SRC-1]), 2);
         if (rta[RTA_DST-1])
@@ -179,27 +187,26 @@ int dn_fib_rtm_newrule(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
                 }
         }
 
-        rp = &dn_fib_rules;
+        r = container_of(dn_fib_rules.first, struct dn_fib_rule, r_hlist);
         if (!new_r->r_preference) {
-                r = dn_fib_rules;
-                if (r && (r = r->r_next) != NULL) {
-                        rp = &dn_fib_rules->r_next;
+                if (r && r->r_hlist.next != NULL) {
+                        r = container_of(r->r_hlist.next, struct dn_fib_rule, r_hlist);
                         if (r->r_preference)
                                 new_r->r_preference = r->r_preference - 1;
                 }
         }
 
-        while((r=*rp) != NULL) {
+        hlist_for_each_entry(r, node, &dn_fib_rules, r_hlist) {
                 if (r->r_preference > new_r->r_preference)
                         break;
-                rp = &r->r_next;
+                last = r;
         }
-
-        new_r->r_next = r;
         atomic_inc(&new_r->r_clntref);
-        write_lock_bh(&dn_fib_rules_lock);
-        *rp = new_r;
-        write_unlock_bh(&dn_fib_rules_lock);
+
+        if (last)
+                hlist_add_after_rcu(&last->r_hlist, &new_r->r_hlist);
+        else
+                hlist_add_before_rcu(&new_r->r_hlist, &r->r_hlist);
         return 0;
 }
 
@@ -208,12 +215,14 @@ int dn_fib_lookup(const struct flowi *flp, struct dn_fib_res *res)
 {
         struct dn_fib_rule *r, *policy;
         struct dn_fib_table *tb;
-        dn_address saddr = flp->fld_src;
-        dn_address daddr = flp->fld_dst;
+        __le16 saddr = flp->fld_src;
+        __le16 daddr = flp->fld_dst;
+        struct hlist_node *node;
         int err;
 
-        read_lock(&dn_fib_rules_lock);
-        for(r = dn_fib_rules; r; r = r->r_next) {
+        rcu_read_lock();
+
+        hlist_for_each_entry_rcu(r, node, &dn_fib_rules, r_hlist) {
                 if (((saddr^r->r_src) & r->r_srcmask) ||
                     ((daddr^r->r_dst) & r->r_dstmask) ||
 #ifdef CONFIG_DECNET_ROUTE_FWMARK
@@ -228,14 +237,14 @@ int dn_fib_lookup(const struct flowi *flp, struct dn_fib_res *res)
                                 policy = r;
                                 break;
                         case RTN_UNREACHABLE:
-                                read_unlock(&dn_fib_rules_lock);
+                                rcu_read_unlock();
                                 return -ENETUNREACH;
                         default:
                         case RTN_BLACKHOLE:
-                                read_unlock(&dn_fib_rules_lock);
+                                rcu_read_unlock();
                                 return -EINVAL;
                         case RTN_PROHIBIT:
-                                read_unlock(&dn_fib_rules_lock);
+                                rcu_read_unlock();
                                 return -EACCES;
                 }
 
@@ -246,20 +255,20 @@ int dn_fib_lookup(const struct flowi *flp, struct dn_fib_res *res)
                         res->r = policy;
                         if (policy)
                                 atomic_inc(&policy->r_clntref);
-                        read_unlock(&dn_fib_rules_lock);
+                        rcu_read_unlock();
                         return 0;
                 }
                 if (err < 0 && err != -EAGAIN) {
-                        read_unlock(&dn_fib_rules_lock);
+                        rcu_read_unlock();
                         return err;
                 }
         }
 
-        read_unlock(&dn_fib_rules_lock);
+        rcu_read_unlock();
         return -ESRCH;
 }
 
-unsigned dnet_addr_type(__u16 addr)
+unsigned dnet_addr_type(__le16 addr)
 {
         struct flowi fl = { .nl_u = { .dn_u = { .daddr = addr } } };
         struct dn_fib_res res;
@@ -277,7 +286,7 @@ unsigned dnet_addr_type(__u16 addr)
         return ret;
 }
 
-__u16 dn_fib_rules_policy(__u16 saddr, struct dn_fib_res *res, unsigned *flags)
+__le16 dn_fib_rules_policy(__le16 saddr, struct dn_fib_res *res, unsigned *flags)
 {
         struct dn_fib_rule *r = res->r;
 
@@ -297,27 +306,23 @@ __u16 dn_fib_rules_policy(__u16 saddr, struct dn_fib_res *res, unsigned *flags)
 
 static void dn_fib_rules_detach(struct net_device *dev)
 {
+        struct hlist_node *node;
         struct dn_fib_rule *r;
 
-        for(r = dn_fib_rules; r; r = r->r_next) {
-                if (r->r_ifindex == dev->ifindex) {
-                        write_lock_bh(&dn_fib_rules_lock);
+        hlist_for_each_entry(r, node, &dn_fib_rules, r_hlist) {
+                if (r->r_ifindex == dev->ifindex)
                         r->r_ifindex = -1;
-                        write_unlock_bh(&dn_fib_rules_lock);
-                }
         }
 }
 
 static void dn_fib_rules_attach(struct net_device *dev)
 {
+        struct hlist_node *node;
         struct dn_fib_rule *r;
 
-        for(r = dn_fib_rules; r; r = r->r_next) {
-                if (r->r_ifindex == -1 && strcmp(dev->name, r->r_ifname) == 0) {
-                        write_lock_bh(&dn_fib_rules_lock);
+        hlist_for_each_entry(r, node, &dn_fib_rules, r_hlist) {
+                if (r->r_ifindex == -1 && strcmp(dev->name, r->r_ifname) == 0)
                         r->r_ifindex = dev->ifindex;
-                        write_unlock_bh(&dn_fib_rules_lock);
-                }
         }
 }
 
@@ -387,18 +392,20 @@ rtattr_failure:
 
 int dn_fib_dump_rules(struct sk_buff *skb, struct netlink_callback *cb)
 {
-        int idx;
+        int idx = 0;
         int s_idx = cb->args[0];
         struct dn_fib_rule *r;
+        struct hlist_node *node;
 
-        read_lock(&dn_fib_rules_lock);
-        for(r = dn_fib_rules, idx = 0; r; r = r->r_next, idx++) {
+        rcu_read_lock();
+        hlist_for_each_entry(r, node, &dn_fib_rules, r_hlist) {
                 if (idx < s_idx)
                         continue;
                 if (dn_fib_fill_rule(skb, r, cb, NLM_F_MULTI) < 0)
                         break;
+                idx++;
         }
-        read_unlock(&dn_fib_rules_lock);
+        rcu_read_unlock();
         cb->args[0] = idx;
 
         return skb->len;
@@ -406,6 +413,8 @@ int dn_fib_dump_rules(struct sk_buff *skb, struct netlink_callback *cb)
 
 void __init dn_fib_rules_init(void)
 {
+        INIT_HLIST_HEAD(&dn_fib_rules);
+        hlist_add_head(&default_rule.r_hlist, &dn_fib_rules);
         register_netdevice_notifier(&dn_fib_rules_notifier);
 }
 
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index 6f8b5658cb4e..0ebc46af1bdd 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -46,7 +46,7 @@ struct dn_zone
         u32                     dz_hashmask;
 #define DZ_HASHMASK(dz) ((dz)->dz_hashmask)
         int                     dz_order;
-        u16                     dz_mask;
+        __le16                  dz_mask;
 #define DZ_MASK(dz)     ((dz)->dz_mask)
 };
 
@@ -84,14 +84,14 @@ static int dn_fib_hash_zombies;
 
 static inline dn_fib_idx_t dn_hash(dn_fib_key_t key, struct dn_zone *dz)
 {
-        u16 h = ntohs(key.datum)>>(16 - dz->dz_order);
+        u16 h = dn_ntohs(key.datum)>>(16 - dz->dz_order);
         h ^= (h >> 10);
         h ^= (h >> 6);
         h &= DZ_HASHMASK(dz);
         return *(dn_fib_idx_t *)&h;
 }
 
-static inline dn_fib_key_t dz_key(u16 dst, struct dn_zone *dz)
+static inline dn_fib_key_t dz_key(__le16 dst, struct dn_zone *dz)
 {
         dn_fib_key_t k;
         k.datum = dst & DZ_MASK(dz);
@@ -250,7 +250,7 @@ static int dn_fib_nh_match(struct rtmsg *r, struct nlmsghdr *nlh, struct dn_kern
 
         for_nexthops(fi) {
                 int attrlen = nhlen - sizeof(struct rtnexthop);
-                dn_address gw;
+                __le16 gw;
 
                 if (attrlen < 0 || (nhlen -= nhp->rtnh_len) < 0)
                         return -EINVAL;
@@ -457,7 +457,7 @@ static int dn_fib_table_insert(struct dn_fib_table *tb, struct rtmsg *r, struct
 
         dz_key_0(key);
         if (rta->rta_dst) {
-                dn_address dst;
+                __le16 dst;
                 memcpy(&dst, rta->rta_dst, 2);
                 if (dst & ~DZ_MASK(dz))
                         return -EINVAL;
@@ -593,7 +593,7 @@ static int dn_fib_table_delete(struct dn_fib_table *tb, struct rtmsg *r, struct
 
         dz_key_0(key);
         if (rta->rta_dst) {
-                dn_address dst;
+                __le16 dst;
                 memcpy(&dst, rta->rta_dst, 2);
                 if (dst & ~DZ_MASK(dz))
                         return -EINVAL;
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 0e9d2c571165..bda5920215fd 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -86,9 +86,9 @@ static void strip_it(char *str)
  * Simple routine to parse an ascii DECnet address
  * into a network order address.
  */
-static int parse_addr(dn_address *addr, char *str)
+static int parse_addr(__le16 *addr, char *str)
 {
-        dn_address area, node;
+        __u16 area, node;
 
         while(*str && !ISNUM(*str)) str++;
 
@@ -139,7 +139,7 @@ static int dn_node_address_strategy(ctl_table *table, int __user *name, int nlen
                                 void **context)
 {
         size_t len;
-        dn_address addr;
+        __le16 addr;
 
         if (oldval && oldlenp) {
                 if (get_user(len, oldlenp))
@@ -147,14 +147,14 @@ static int dn_node_address_strategy(ctl_table *table, int __user *name, int nlen
                 if (len) {
                         if (len != sizeof(unsigned short))
                                 return -EINVAL;
-                        if (put_user(decnet_address, (unsigned short __user *)oldval))
+                        if (put_user(decnet_address, (__le16 __user *)oldval))
                                 return -EFAULT;
                 }
         }
         if (newval && newlen) {
                 if (newlen != sizeof(unsigned short))
                         return -EINVAL;
-                if (get_user(addr, (unsigned short __user *)newval))
+                if (get_user(addr, (__le16 __user *)newval))
                         return -EFAULT;
 
                 dn_dev_devices_off();
@@ -173,7 +173,7 @@ static int dn_node_address_handler(ctl_table *table, int write,
 {
         char addr[DN_ASCBUF_LEN];
         size_t len;
-        dn_address dnaddr;
+        __le16 dnaddr;
 
         if (!*lenp || (*ppos && !write)) {
                 *lenp = 0;