diff options
| author | Alan Cox <alan@linux.intel.com> | 2012-08-08 16:30:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-10 12:55:47 -0700 |
| commit | 89c8d91e31f267703e365593f6bfebb9f6d2ad01 (patch) | |
| tree | b115c7738762abe4a8a6374debb4991382b2f785 /drivers/tty/serial/crisv10.c | |
| parent | dc6802a771e91050fb686dfeeb9de4c6c9cadb79 (diff) | |
| download | lwn-89c8d91e31f267703e365593f6bfebb9f6d2ad01.tar.gz lwn-89c8d91e31f267703e365593f6bfebb9f6d2ad01.zip | |
tty: localise the lock
The termios and other changes mean the other protections needed on the driver
tty arrays should be adequate. Turn it all back on.
This contains pieces folded in from the fixes made to the original patches
| From: Geert Uytterhoeven <geert@linux-m68k.org> (fix m68k)
| From: Paul Gortmaker <paul.gortmaker@windriver.com> (fix cris)
| From: Jiri Kosina <jkosina@suze.cz> (lockdep)
| From: Eric Dumazet <eric.dumazet@gmail.com> (lockdep)
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/crisv10.c')
| -rw-r--r-- | drivers/tty/serial/crisv10.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c index 6b705b243522..a770b1012962 100644 --- a/drivers/tty/serial/crisv10.c +++ b/drivers/tty/serial/crisv10.c @@ -3976,7 +3976,7 @@ block_til_ready(struct tty_struct *tty, struct file * filp, */ if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) { - wait_event_interruptible_tty(info->close_wait, + wait_event_interruptible_tty(tty, info->close_wait, !(info->flags & ASYNC_CLOSING)); #ifdef SERIAL_DO_RESTART if (info->flags & ASYNC_HUP_NOTIFY) @@ -4052,9 +4052,9 @@ block_til_ready(struct tty_struct *tty, struct file * filp, printk("block_til_ready blocking: ttyS%d, count = %d\n", info->line, info->count); #endif - tty_unlock(); + tty_unlock(tty); schedule(); - tty_lock(); + tty_lock(tty); } set_current_state(TASK_RUNNING); remove_wait_queue(&info->open_wait, &wait); @@ -4115,7 +4115,7 @@ rs_open(struct tty_struct *tty, struct file * filp) */ if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) { - wait_event_interruptible_tty(info->close_wait, + wait_event_interruptible_tty(tty, info->close_wait, !(info->flags & ASYNC_CLOSING)); #ifdef SERIAL_DO_RESTART return ((info->flags & ASYNC_HUP_NOTIFY) ? |