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>
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index c43b683..7a4bf30 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -1061,7 +1061,7 @@
/* Carrier drop -> hangup */
if (tty) {
if ((mlines & TIOCM_CD) == 0 && (dlci->modem_rx & TIOCM_CD))
- if (!(tty->termios->c_cflag & CLOCAL))
+ if (!(tty->termios.c_cflag & CLOCAL))
tty_hangup(tty);
if (brk & 0x01)
tty_insert_flip_char(tty, 0, TTY_BREAK);
@@ -3043,13 +3043,13 @@
the RPN control message. This however rapidly gets nasty as we
then have to remap modem signals each way according to whether
our virtual cable is null modem etc .. */
- tty_termios_copy_hw(tty->termios, old);
+ tty_termios_copy_hw(&tty->termios, old);
}
static void gsmtty_throttle(struct tty_struct *tty)
{
struct gsm_dlci *dlci = tty->driver_data;
- if (tty->termios->c_cflag & CRTSCTS)
+ if (tty->termios.c_cflag & CRTSCTS)
dlci->modem_tx &= ~TIOCM_DTR;
dlci->throttled = 1;
/* Send an MSC with DTR cleared */
@@ -3059,7 +3059,7 @@
static void gsmtty_unthrottle(struct tty_struct *tty)
{
struct gsm_dlci *dlci = tty->driver_data;
- if (tty->termios->c_cflag & CRTSCTS)
+ if (tty->termios.c_cflag & CRTSCTS)
dlci->modem_tx |= TIOCM_DTR;
dlci->throttled = 0;
/* Send an MSC with DTR set */