[NETFILTER]: nf_nat: kill helper and seq_adjust hooks

[linux-2.6] / net / ipv4 / udp.c

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index bae94b3eaa43925497e39bdb14ad74599266611f..7b7fcacec4a024fed80b20e5c9f4bbba81d89b34 100644 (file)
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -231,7 +231,7 @@ gotit:
        if (sk_unhashed(sk)) {
                head = &udptable[snum & (UDP_HTABLE_SIZE - 1)];
                sk_add_node(sk, head);
-               sock_prot_inuse_add(sk->sk_prot, 1);
+               sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
        }
        error = 0;
 fail:
@@ -1551,14 +1551,14 @@ static void *udp_seq_start(struct seq_file *seq, loff_t *pos)
        __acquires(udp_hash_lock)
 {
        read_lock(&udp_hash_lock);
-       return *pos ? udp_get_idx(seq, *pos-1) : (void *)1;
+       return *pos ? udp_get_idx(seq, *pos-1) : SEQ_START_TOKEN;
 }
 
 static void *udp_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
        struct sock *sk;
 
-       if (v == (void *)1)
+       if (v == SEQ_START_TOKEN)
                sk = udp_get_idx(seq, 0);
        else
                sk = udp_get_next(seq, v);
@@ -1576,46 +1576,18 @@ static void udp_seq_stop(struct seq_file *seq, void *v)
 static int udp_seq_open(struct inode *inode, struct file *file)
 {
        struct udp_seq_afinfo *afinfo = PDE(inode)->data;
-       struct seq_file *seq;
-       struct net *net;
-       int rc = -ENOMEM;
-       struct udp_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-
-       if (!s)
-               goto out;
+       struct udp_iter_state *s;
+       int err;
 
-       rc = -ENXIO;
-       net = get_proc_net(inode);
-       if (!net)
-               goto out_kfree;
+       err = seq_open_net(inode, file, &afinfo->seq_ops,
+                          sizeof(struct udp_iter_state));
+       if (err < 0)
+               return err;
 
+       s = ((struct seq_file *)file->private_data)->private;
        s->family               = afinfo->family;
        s->hashtable            = afinfo->hashtable;
-       s->p.net                = net;
-
-       rc = seq_open(file, &afinfo->seq_ops);
-       if (rc)
-               goto out_put_net;
-
-       seq = file->private_data;
-       seq->private = s;
-out:
-       return rc;
-out_put_net:
-       put_net(net);
-out_kfree:
-       kfree(s);
-       goto out;
-}
-
-static int udp_seq_release(struct inode *inode, struct file *file)
-{
-       struct seq_file *seq = file->private_data;
-       struct udp_iter_state *s = seq->private;
-
-       put_net(s->p.net);
-       seq_release_private(inode, file);
-       return 0;
+       return err;
 }
 
 /* ------------------------------------------------------------------------ */
@@ -1624,17 +1596,16 @@ int udp_proc_register(struct net *net, struct udp_seq_afinfo *afinfo)
        struct proc_dir_entry *p;
        int rc = 0;
 
-       afinfo->seq_fops->owner         = afinfo->owner;
-       afinfo->seq_fops->open          = udp_seq_open;
-       afinfo->seq_fops->read          = seq_read;
-       afinfo->seq_fops->llseek        = seq_lseek;
-       afinfo->seq_fops->release       = udp_seq_release;
+       afinfo->seq_fops.open           = udp_seq_open;
+       afinfo->seq_fops.read           = seq_read;
+       afinfo->seq_fops.llseek         = seq_lseek;
+       afinfo->seq_fops.release        = seq_release_net;
 
        afinfo->seq_ops.start           = udp_seq_start;
        afinfo->seq_ops.next            = udp_seq_next;
        afinfo->seq_ops.stop            = udp_seq_stop;
 
-       p = proc_net_fops_create(net, afinfo->name, S_IRUGO, afinfo->seq_fops);
+       p = proc_net_fops_create(net, afinfo->name, S_IRUGO, &afinfo->seq_fops);
        if (p)
                p->data = afinfo;
        else
@@ -1645,7 +1616,6 @@ int udp_proc_register(struct net *net, struct udp_seq_afinfo *afinfo)
 void udp_proc_unregister(struct net *net, struct udp_seq_afinfo *afinfo)
 {
        proc_net_remove(net, afinfo->name);
-       memset(afinfo->seq_fops, 0, sizeof(*afinfo->seq_fops));
 }
 
 /* ------------------------------------------------------------------------ */
@@ -1684,13 +1654,13 @@ int udp4_seq_show(struct seq_file *seq, void *v)
 }
 
 /* ------------------------------------------------------------------------ */
-static struct file_operations udp4_seq_fops;
 static struct udp_seq_afinfo udp4_seq_afinfo = {
-       .owner          = THIS_MODULE,
        .name           = "udp",
        .family         = AF_INET,
        .hashtable      = udp_hash,
-       .seq_fops       = &udp4_seq_fops,
+       .seq_fops       = {
+               .owner  =       THIS_MODULE,
+       },
        .seq_ops        = {
                .show           = udp4_seq_show,
        },