diff options
| author |   Alan Cox <alan@linux.intel.com> | 2012-07-14 15:31:47 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-16 13:00:41 -0700 |
| commit | adc8d746caa67fff4b53ba3e5163a6cbacc3b523 (patch) | |
| tree | e3f6c05f27c163b369ddd4da5f31d2a61bde6d3a /drivers/tty/moxa.c | |
| parent | tty: revert incorrectly applied lock patch (diff) | |
| download | linux-dev-adc8d746caa67fff4b53ba3e5163a6cbacc3b523.tar.xz linux-dev-adc8d746caa67fff4b53ba3e5163a6cbacc3b523.zip | |
tty: move the termios object into the tty
This will let us sort out a whole pile of tty related races. The
alternative would be to keep points and refcount the termios objects.
However
1. They are tiny anyway
2. Many devices don't use the stored copies
3. We can remove a pty special case
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/moxa.c')
| -rw-r--r-- | drivers/tty/moxa.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c index 324467d28a54..89cc9344325b 100644 --- a/drivers/tty/moxa.c +++ b/drivers/tty/moxa.c @@ -367,10 +367,10 @@ static int moxa_ioctl(struct tty_struct *tty, tmp.dcd = 1; ttyp = tty_port_tty_get(&p->port); - if (!ttyp || !ttyp->termios) + if (!ttyp) tmp.cflag = p->cflag; else - tmp.cflag = ttyp->termios->c_cflag; + tmp.cflag = ttyp->termios.c_cflag; tty_kref_put(ttyp); copy: if (copy_to_user(argm, &tmp, sizeof(tmp))) @@ -1178,7 +1178,7 @@ static int moxa_open(struct tty_struct *tty, struct file *filp) mutex_lock(&ch->port.mutex); if (!(ch->port.flags & ASYNC_INITIALIZED)) { ch->statusflags = 0; - moxa_set_tty_param(tty, tty->termios); + moxa_set_tty_param(tty, &tty->termios); MoxaPortLineCtrl(ch, 1, 1); MoxaPortEnable(ch); MoxaSetFifo(ch, ch->type == PORT_16550A); @@ -1193,7 +1193,7 @@ static int moxa_open(struct tty_struct *tty, struct file *filp) static void moxa_close(struct tty_struct *tty, struct file *filp) { struct moxa_port *ch = tty->driver_data; - ch->cflag = tty->termios->c_cflag; + ch->cflag = tty->termios.c_cflag; tty_port_close(&ch->port, tty, filp); } @@ -1464,7 +1464,7 @@ static void moxa_poll(unsigned long ignored) static void moxa_set_tty_param(struct tty_struct *tty, struct ktermios *old_termios) { - register struct ktermios *ts = tty->termios; + register struct ktermios *ts = &tty->termios; struct moxa_port *ch = tty->driver_data; int rts, cts, txflow, rxflow, xany, baud; |