diff options
author | Denis V. Lunev <den@openvz.org> | 2008-04-13 22:12:41 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-04-13 22:12:41 -0700 |
commit | 52d6f3f11bdb8c26fead701c9dbad08acd28063d (patch) | |
tree | a053cd0fa67fce68676ce174b2b50786cdf3470f /net/ipv4/tcp_ipv4.c | |
parent | 9427c4b36b8fe652df1d7c89eae678948e1f4b32 (diff) | |
download | blackbird-op-linux-52d6f3f11bdb8c26fead701c9dbad08acd28063d.tar.gz blackbird-op-linux-52d6f3f11bdb8c26fead701c9dbad08acd28063d.zip |
[TCP]: Cleanup /proc/tcp[6] creation/removal.
Replace seq_open with seq_open_net and remove tcp_seq_release
completely. seq_release_net will do this job just fine.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 41 |
1 files changed, 7 insertions, 34 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index c50dd1793643..840346b390d7 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2211,46 +2211,19 @@ static void tcp_seq_stop(struct seq_file *seq, void *v) static int tcp_seq_open(struct inode *inode, struct file *file) { struct tcp_seq_afinfo *afinfo = PDE(inode)->data; - struct seq_file *seq; struct tcp_iter_state *s; - struct net *net; - int rc; + int err; if (unlikely(afinfo == NULL)) return -EINVAL; - s = kzalloc(sizeof(*s), GFP_KERNEL); - if (!s) - return -ENOMEM; - - rc = -ENXIO; - net = get_proc_net(inode); - if (!net) - goto out_kfree; + err = seq_open_net(inode, file, &afinfo->seq_ops, + sizeof(struct tcp_iter_state)); + if (err < 0) + return err; + s = ((struct seq_file *)file->private_data)->private; s->family = afinfo->family; - 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 tcp_seq_release(struct inode *inode, struct file *file) -{ - struct seq_file *seq = file->private_data; - - put_net(seq_file_net(seq)); - seq_release_private(inode, file); return 0; } @@ -2263,7 +2236,7 @@ int tcp_proc_register(struct net *net, struct tcp_seq_afinfo *afinfo) afinfo->seq_fops->open = tcp_seq_open; afinfo->seq_fops->read = seq_read; afinfo->seq_fops->llseek = seq_lseek; - afinfo->seq_fops->release = tcp_seq_release; + afinfo->seq_fops->release = seq_release_net; afinfo->seq_ops.start = tcp_seq_start; afinfo->seq_ops.next = tcp_seq_next; |