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net: af_key: use seq_hlist_foo() helpers

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Simplify seq_file code.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Li Zefan 2010-02-08 23:20:29 +00:00 committed by David S. Miller
parent efaffb78d8
commit 27b5b8657a
1 changed files with 3 additions and 17 deletions
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20
net/key/af_key.c
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@ -3654,9 +3654,8 @@ static const struct net_proto_family pfkey_family_ops = {
#ifdef CONFIG_PROC_FS
static int pfkey_seq_show(struct seq_file *f, void *v)
{
struct sock *s;
struct sock *s = sk_entry(v);
s = (struct sock *)v;
if (v == SEQ_START_TOKEN)
seq_printf(f ,"sk RefCnt Rmem Wmem User Inode\n");
else
@ -3675,19 +3674,9 @@ static void *pfkey_seq_start(struct seq_file *f, loff_t *ppos)
{
struct net *net = seq_file_net(f);
struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
struct sock *s;
struct hlist_node *node;
loff_t pos = *ppos;
read_lock(&pfkey_table_lock);
if (pos == 0)
return SEQ_START_TOKEN;
sk_for_each(s, node, &net_pfkey->table)
if (pos-- == 1)
return s;
return NULL;
return seq_hlist_start_head(&net_pfkey->table, *ppos);
}
static void *pfkey_seq_next(struct seq_file *f, void *v, loff_t *ppos)
@ -3695,10 +3684,7 @@ static void *pfkey_seq_next(struct seq_file *f, void *v, loff_t *ppos)
struct net *net = seq_file_net(f);
struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
++*ppos;
return (v == SEQ_START_TOKEN) ?
sk_head(&net_pfkey->table) :
sk_next((struct sock *)v);
return seq_hlist_next(v, &net_pfkey->table, ppos);
}
static void pfkey_seq_stop(struct seq_file *f, void *v)