net: remove struct dst_entry::entry_size

[safe/jmp/linux-2.6] / net / decnet / af_decnet.c

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index bfa910b..3c23ab3 100644 (file)
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -128,6 +128,7 @@ Version 0.0.6    2.1.110   07-aug-98   Eduardo Marcelo Serrat
 #include <linux/stat.h>
 #include <linux/init.h>
 #include <linux/poll.h>
+#include <net/net_namespace.h>
 #include <net/neighbour.h>
 #include <net/dst.h>
 #include <net/fib_rules.h>
@@ -450,7 +451,7 @@ static void dn_destruct(struct sock *sk)
 
 static int dn_memory_pressure;
 
-static void dn_enter_memory_pressure(void)
+static void dn_enter_memory_pressure(struct sock *sk)
 {
        if (!dn_memory_pressure) {
                dn_memory_pressure = 1;
@@ -470,10 +471,10 @@ static struct proto dn_proto = {
        .obj_size               = sizeof(struct dn_sock),
 };
 
-static struct sock *dn_alloc_sock(struct socket *sock, gfp_t gfp)
+static struct sock *dn_alloc_sock(struct net *net, struct socket *sock, gfp_t gfp)
 {
        struct dn_scp *scp;
-       struct sock *sk = sk_alloc(PF_DECnet, gfp, &dn_proto, 1);
+       struct sock *sk = sk_alloc(net, PF_DECnet, gfp, &dn_proto);
 
        if  (!sk)
                goto out;
@@ -674,10 +675,13 @@ char *dn_addr2asc(__u16 addr, char *buf)
 
 
 
-static int dn_create(struct socket *sock, int protocol)
+static int dn_create(struct net *net, struct socket *sock, int protocol)
 {
        struct sock *sk;
 
+       if (net != &init_net)
+               return -EAFNOSUPPORT;
+
        switch(sock->type) {
                case SOCK_SEQPACKET:
                        if (protocol != DNPROTO_NSP)
@@ -690,7 +694,7 @@ static int dn_create(struct socket *sock, int protocol)
        }
 
 
-       if ((sk = dn_alloc_sock(sock, GFP_KERNEL)) == NULL)
+       if ((sk = dn_alloc_sock(net, sock, GFP_KERNEL)) == NULL)
                return -ENOBUFS;
 
        sk->sk_protocol = protocol;
@@ -747,7 +751,7 @@ static int dn_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
                if (dn_ntohs(saddr->sdn_nodeaddrl)) {
                        read_lock(&dev_base_lock);
                        ldev = NULL;
-                       for_each_netdev(dev) {
+                       for_each_netdev(&init_net, dev) {
                                if (!dev->dn_ptr)
                                        continue;
                                if (dn_dev_islocal(dev, dn_saddr2dn(saddr))) {
@@ -1090,7 +1094,7 @@ static int dn_accept(struct socket *sock, struct socket *newsock, int flags)
 
        cb = DN_SKB_CB(skb);
        sk->sk_ack_backlog--;
-       newsk = dn_alloc_sock(newsock, sk->sk_allocation);
+       newsk = dn_alloc_sock(sock_net(sk), newsock, sk->sk_allocation);
        if (newsk == NULL) {
                release_sock(sk);
                kfree_skb(skb);
@@ -1715,6 +1719,8 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock,
         * See if there is data ready to read, sleep if there isn't
         */
        for(;;) {
+               DEFINE_WAIT(wait);
+
                if (sk->sk_err)
                        goto out;
 
@@ -1744,14 +1750,11 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock,
                        goto out;
                }
 
-               set_bit(SOCK_ASYNC_WAITDATA, &sock->flags);
-               SOCK_SLEEP_PRE(sk)
-
-               if (!dn_data_ready(sk, queue, flags, target))
-                       schedule();
-
-               SOCK_SLEEP_POST(sk)
-               clear_bit(SOCK_ASYNC_WAITDATA, &sock->flags);
+               prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+               set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+               sk_wait_event(sk, &timeo, dn_data_ready(sk, queue, flags, target));
+               clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+               finish_wait(sk->sk_sleep, &wait);
        }
 
        for(skb = queue->next; skb != (struct sk_buff *)queue; skb = nskb) {
@@ -1900,7 +1903,7 @@ static inline struct sk_buff *dn_alloc_send_pskb(struct sock *sk,
        struct sk_buff *skb = sock_alloc_send_skb(sk, datalen,
                                                   noblock, errcode);
        if (skb) {
-               skb->protocol = __constant_htons(ETH_P_DNA_RT);
+               skb->protocol = htons(ETH_P_DNA_RT);
                skb->pkt_type = PACKET_OUTGOING;
        }
        return skb;
@@ -1998,18 +2001,19 @@ static int dn_sendmsg(struct kiocb *iocb, struct socket *sock,
                 * size.
                 */
                if (dn_queue_too_long(scp, queue, flags)) {
+                       DEFINE_WAIT(wait);
+
                        if (flags & MSG_DONTWAIT) {
                                err = -EWOULDBLOCK;
                                goto out;
                        }
 
-                       SOCK_SLEEP_PRE(sk)
-
-                       if (dn_queue_too_long(scp, queue, flags))
-                               schedule();
-
-                       SOCK_SLEEP_POST(sk)
-
+                       prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+                       set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+                       sk_wait_event(sk, &timeo,
+                                     !dn_queue_too_long(scp, queue, flags));
+                       clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+                       finish_wait(sk->sk_sleep, &wait);
                        continue;
                }
 
@@ -2085,6 +2089,9 @@ static int dn_device_event(struct notifier_block *this, unsigned long event,
 {
        struct net_device *dev = (struct net_device *)ptr;
 
+       if (!net_eq(dev_net(dev), &init_net))
+               return NOTIFY_DONE;
+
        switch(event) {
                case NETDEV_UP:
                        dn_dev_up(dev);
@@ -2304,7 +2311,7 @@ static int dn_socket_seq_show(struct seq_file *seq, void *v)
        return 0;
 }
 
-static struct seq_operations dn_socket_seq_ops = {
+static const struct seq_operations dn_socket_seq_ops = {
        .start  = dn_socket_seq_start,
        .next   = dn_socket_seq_next,
        .stop   = dn_socket_seq_stop,
@@ -2313,25 +2320,8 @@ static struct seq_operations dn_socket_seq_ops = {
 
 static int dn_socket_seq_open(struct inode *inode, struct file *file)
 {
-       struct seq_file *seq;
-       int rc = -ENOMEM;
-       struct dn_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
-
-       if (!s)
-               goto out;
-
-       rc = seq_open(file, &dn_socket_seq_ops);
-       if (rc)
-               goto out_kfree;
-
-       seq             = file->private_data;
-       seq->private    = s;
-       memset(s, 0, sizeof(*s));
-out:
-       return rc;
-out_kfree:
-       kfree(s);
-       goto out;
+       return seq_open_private(file, &dn_socket_seq_ops,
+                       sizeof(struct dn_iter_state));
 }
 
 static const struct file_operations dn_socket_seq_fops = {
@@ -2399,7 +2389,7 @@ static int __init decnet_init(void)
        dev_add_pack(&dn_dix_packet_type);
        register_netdevice_notifier(&dn_dev_notifier);
 
-       proc_net_fops_create("decnet", S_IRUGO, &dn_socket_seq_fops);
+       proc_net_fops_create(&init_net, "decnet", S_IRUGO, &dn_socket_seq_fops);
        dn_register_sysctl();
 out:
        return rc;
@@ -2428,7 +2418,7 @@ static void __exit decnet_exit(void)
        dn_neigh_cleanup();
        dn_fib_cleanup();
 
-       proc_net_remove("decnet");
+       proc_net_remove(&init_net, "decnet");
 
        proto_unregister(&dn_proto);
 }