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Make /proc/misc use seq_list_xxx helpers

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Simple and stupid - just use the helpers.

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Pavel Emelianov 2007-07-15 23:39:53 -07:00 committed by Linus Torvalds
parent 13d31894b3
commit 46c65b71e6
1 changed files with 3 additions and 15 deletions
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18
drivers/char/misc.c
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@ -67,25 +67,13 @@ extern int pmu_device_init(void);
#ifdef CONFIG_PROC_FS
static void *misc_seq_start(struct seq_file *seq, loff_t *pos)
{
struct miscdevice *p;
loff_t off = 0;
mutex_lock(&misc_mtx);
list_for_each_entry(p, &misc_list, list) {
if (*pos == off++)
return p;
}
return NULL;
return seq_list_start(&misc_list, *pos);
}
static void *misc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct list_head *n = ((struct miscdevice *)v)->list.next;
++*pos;
return (n != &misc_list) ? list_entry(n, struct miscdevice, list)
: NULL;
return seq_list_next(v, &misc_list, pos);
}
static void misc_seq_stop(struct seq_file *seq, void *v)
@ -95,7 +83,7 @@ static void misc_seq_stop(struct seq_file *seq, void *v)
static int misc_seq_show(struct seq_file *seq, void *v)
{
const struct miscdevice *p = v;
const struct miscdevice *p = list_entry(v, struct miscdevice, list);
seq_printf(seq, "%3i %s\n", p->minor, p->name ? p->name : "");
return 0;