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authorPavel Emelyanov <xemul@openvz.org>2007-10-10 02:29:29 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:55:33 -0700
commitcf7732e4cc14b56d593ff53352673e1fd5e3ba52 (patch)
tree3479e278b72f9d535a58066bc2a26238806252ce /net/netlink
parent39699037a5c94d7cd1363dfe48a50c78c643fd9a (diff)
downloadlinux-cf7732e4cc14b56d593ff53352673e1fd5e3ba52.tar.gz
[NET]: Make core networking code use seq_open_private
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>
Diffstat (limited to 'net/netlink')
-rw-r--r--net/netlink/af_netlink.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 3ef32825da71..f934f54fbfd5 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -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;
 }