diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/misc.c | 18 |
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; |