diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-03-23 03:00:31 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-23 07:38:11 -0800 |
| commit | 70522e121a521aa09bd0f4e62e1aa68708b798e1 (patch) | |
| tree | 1233412da73361b48ed01290a33ab7c90e36359a /drivers/char/vt.c | |
| parent | d4f9af9dac4ecb75818f909168f87b441cc95653 (diff) | |
[PATCH] sem2mutex: tty
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/vt.c')
| -rw-r--r-- | drivers/char/vt.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 86b31b87eb85..ca4844c527da 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2489,7 +2489,7 @@ static int con_open(struct tty_struct *tty, struct file *filp) } /* - * We take tty_sem in here to prevent another thread from coming in via init_dev + * We take tty_mutex in here to prevent another thread from coming in via init_dev * and taking a ref against the tty while we're in the process of forgetting * about it and cleaning things up. * @@ -2497,7 +2497,7 @@ static int con_open(struct tty_struct *tty, struct file *filp) */ static void con_close(struct tty_struct *tty, struct file *filp) { - down(&tty_sem); + mutex_lock(&tty_mutex); acquire_console_sem(); if (tty && tty->count == 1) { struct vc_data *vc = tty->driver_data; @@ -2507,15 +2507,15 @@ static void con_close(struct tty_struct *tty, struct file *filp) tty->driver_data = NULL; release_console_sem(); vcs_remove_devfs(tty); - up(&tty_sem); + mutex_unlock(&tty_mutex); /* - * tty_sem is released, but we still hold BKL, so there is + * tty_mutex is released, but we still hold BKL, so there is * still exclusion against init_dev() */ return; } release_console_sem(); - up(&tty_sem); + mutex_unlock(&tty_mutex); } static void vc_init(struct vc_data *vc, unsigned int rows, @@ -2869,9 +2869,9 @@ void unblank_screen(void) } /* - * We defer the timer blanking to work queue so it can take the console semaphore + * We defer the timer blanking to work queue so it can take the console mutex * (console operations can still happen at irq time, but only from printk which - * has the console semaphore. Not perfect yet, but better than no locking + * has the console mutex. Not perfect yet, but better than no locking */ static void blank_screen_t(unsigned long dummy) { |