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[NET]: Make core networking code use seq_open_private

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This concerns the ipv4 and ipv6 code mostly, but also the netlink
and unix sockets.

The netlink code is an example of how to use the __seq_open_private()
call - it saves the net namespace on this private.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov
2007-10-10 02:29:29 -07:00
committed by David S. Miller
parent 39699037a5
commit cf7732e4cc
15 changed files with 37 additions and 335 deletions
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13
net/netlink/af_netlink.c
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@@ -1845,27 +1845,18 @@ static const struct seq_operations netlink_seq_ops = {
static int netlink_seq_open(struct inode *inode, struct file *file)
{
struct seq_file *seq;
struct nl_seq_iter *iter;
int err;
iter = kzalloc(sizeof(*iter), GFP_KERNEL);
iter = __seq_open_private(file, &netlink_seq_ops, sizeof(*iter));
if (!iter)
return -ENOMEM;
err = seq_open(file, &netlink_seq_ops);
if (err) {
kfree(iter);
return err;
}
seq = file->private_data;
seq->private = iter;
iter->net = get_proc_net(inode);
if (!iter->net) {
seq_release_private(inode, file);
return -ENXIO;
}
return 0;
}