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net: atm: use seq_list_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 23:21:51 +00:00 committed by David S. Miller
parent a2b79b414d
commit 67de792420
2 changed files with 3 additions and 17 deletions
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2
net/atm/proc.c
View File

@ -238,7 +238,7 @@ static int atm_dev_seq_show(struct seq_file *seq, void *v)
"Itf Type ESI/\"MAC\"addr "
"AAL(TX,err,RX,err,drop) ... [refcnt]\n";
if (v == SEQ_START_TOKEN)
if (v == &atm_devs)
seq_puts(seq, atm_dev_banner);
else {
struct atm_dev *dev = list_entry(v, struct atm_dev, dev_list);

18
net/atm/resources.c
View File

@ -444,21 +444,10 @@ done:
return error;
}
static inline void *dev_get_idx(loff_t left)
{
struct list_head *p;
list_for_each(p, &atm_devs) {
if (!--left)
break;
}
return (p != &atm_devs) ? p : NULL;
}
void *atm_dev_seq_start(struct seq_file *seq, loff_t *pos)
{
mutex_lock(&atm_dev_mutex);
return *pos ? dev_get_idx(*pos) : SEQ_START_TOKEN;
return seq_list_start_head(&atm_devs, *pos);
}
void atm_dev_seq_stop(struct seq_file *seq, void *v)
@ -468,8 +457,5 @@ void atm_dev_seq_stop(struct seq_file *seq, void *v)
void *atm_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
++*pos;
v = (v == SEQ_START_TOKEN)
? atm_devs.next : ((struct list_head *)v)->next;
return (v == &atm_devs) ? NULL : v;
return seq_list_next(v, &atm_devs, pos);
}