From 25216b00395dfb52bfe06e4886a6ad831ede7b4b Mon Sep 17 00:00:00 2001 From: Pavel Emelianov Date: Sun, 15 Jul 2007 23:39:54 -0700 Subject: [PATCH] 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 Cc: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/proc_tty.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/fs/proc/proc_tty.c b/fs/proc/proc_tty.c index b3a473b0a191..22846225acfa 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) -- 2.20.1