diff options
| author | Pavel Emelianov <xemul@sw.ru> | 2007-07-15 23:39:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 09:05:42 -0700 |
| commit | 25216b00395dfb52bfe06e4886a6ad831ede7b4b (patch) | |
| tree | 94b65088457a5b641cc4acc9f0409b4d9a2bf50e /fs/proc/proc_tty.c | |
| parent | 708f4b522371da5e6c615a49e1844195aff84cb4 (diff) | |
Make /proc/tty/drivers use seq_list_xxx helpers
Simple and stupid like some previous ones. Just use new API.
Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/proc_tty.c')
| -rw-r--r-- | fs/proc/proc_tty.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/fs/proc/proc_tty.c b/fs/proc/proc_tty.c index b3a473b0a19..22846225acf 100644 --- a/fs/proc/proc_tty.c +++ b/fs/proc/proc_tty.c @@ -69,7 +69,7 @@ static void show_tty_range(struct seq_file *m, struct tty_driver *p, static int show_tty_driver(struct seq_file *m, void *v) { - struct tty_driver *p = v; + struct tty_driver *p = list_entry(v, struct tty_driver, tty_drivers); dev_t from = MKDEV(p->major, p->minor_start); dev_t to = from + p->num; @@ -106,22 +106,13 @@ static int show_tty_driver(struct seq_file *m, void *v) /* iterator */ static void *t_start(struct seq_file *m, loff_t *pos) { - struct list_head *p; - loff_t l = *pos; - mutex_lock(&tty_mutex); - list_for_each(p, &tty_drivers) - if (!l--) - return list_entry(p, struct tty_driver, tty_drivers); - return NULL; + return seq_list_start(&tty_drivers, *pos); } static void *t_next(struct seq_file *m, void *v, loff_t *pos) { - struct list_head *p = ((struct tty_driver *)v)->tty_drivers.next; - (*pos)++; - return p==&tty_drivers ? NULL : - list_entry(p, struct tty_driver, tty_drivers); + return seq_list_next(v, &tty_drivers, pos); } static void t_stop(struct seq_file *m, void *v) |