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From"Denis V. Lunev" <>
Subject[PATCH 9/12] ipv4: assign PDE->data before gluing PDE into /proc tree
DateTue, 29 Apr 2008 15:13:19 +0400
The check for PDE->data != NULL becomes useless after the replacement
of proc_net_fops_create with proc_create_data.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Alexey Dobriyan <adobriyan@openvz.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: David S. Miller <davem@davemloft.net>
---
net/ipv4/tcp_ipv4.c | 10 +++-------
net/ipv4/udp.c | 7 +++----
2 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 7766151..4d97b28 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2214,9 +2214,6 @@ static int tcp_seq_open(struct inode *inode, struct file *file)
struct tcp_iter_state *s;
int err;

- if (unlikely(afinfo == NULL))
- return -EINVAL;
-
err = seq_open_net(inode, file, &afinfo->seq_ops,
sizeof(struct tcp_iter_state));
if (err < 0)
@@ -2241,10 +2238,9 @@ int tcp_proc_register(struct net *net, struct tcp_seq_afinfo *afinfo)
afinfo->seq_ops.next = tcp_seq_next;
afinfo->seq_ops.stop = tcp_seq_stop;

- p = proc_net_fops_create(net, afinfo->name, S_IRUGO, &afinfo->seq_fops);
- if (p)
- p->data = afinfo;
- else
+ p = proc_create_data(afinfo->name, S_IRUGO, net->proc_net,
+ &afinfo->seq_fops, afinfo);
+ if (!p)
rc = -ENOMEM;
return rc;
}
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index b053ac7..c19c491 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1605,10 +1605,9 @@ int udp_proc_register(struct net *net, struct udp_seq_afinfo *afinfo)
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);
- if (p)
- p->data = afinfo;
- else
+ p = proc_create_data(afinfo->name, S_IRUGO, net->proc_net,
+ &afinfo->seq_fops, afinfo);
+ if (!p)
rc = -ENOMEM;
return rc;
}
--
1.5.3.rc5


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