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authorPavel Emelianov <xemul@sw.ru>2007-07-15 23:39:53 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 09:05:42 -0700
commit46c65b71e6122b89cd7b2bb36c1ba26d07e84fcd (patch)
treea3ac123150c5a3587664c8706eeceffbf8573ae6
parent13d31894b3c459805303325aa5b91f9cd4ed70bc (diff)
Make /proc/misc use seq_list_xxx helpers
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>
-rw-r--r--drivers/char/misc.c18
1 files changed, 3 insertions, 15 deletions
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 4e6fb9651a1..71c8cd7fa15 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -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;