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/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 7bc5067..7a61ef6 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1009,15 +1009,15 @@
quot;
int i;
- if (!port->tty || !port->tty->termios)
+ if (!port->tty)
return;
- cflag = port->tty->termios->c_cflag;
+ cflag = port->tty->termios.c_cflag;
quot = i = cflag & CBAUD;
if (i & CBAUDEX) {
i &= ~CBAUDEX;
if (i < 1 || i > 2)
- port->tty->termios->c_cflag &= ~CBAUDEX;
+ port->tty->termios.c_cflag &= ~CBAUDEX;
else
i += 15;
}
@@ -1097,7 +1097,7 @@
#endif
isdn_unlock_drivers();
info->msr &= ~UART_MSR_RI;
- if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL)) {
+ if (!info->port.tty || (info->port.tty->termios.c_cflag & HUPCL)) {
info->mcr &= ~(UART_MCR_DTR | UART_MCR_RTS);
if (info->emu.mdmreg[REG_DTRHUP] & BIT_DTRHUP) {
isdn_tty_modem_reset_regs(info, 0);
@@ -1469,13 +1469,13 @@
if (!old_termios)
isdn_tty_change_speed(info);
else {
- if (tty->termios->c_cflag == old_termios->c_cflag &&
- tty->termios->c_ispeed == old_termios->c_ispeed &&
- tty->termios->c_ospeed == old_termios->c_ospeed)
+ if (tty->termios.c_cflag == old_termios->c_cflag &&
+ tty->termios.c_ispeed == old_termios->c_ispeed &&
+ tty->termios.c_ospeed == old_termios->c_ospeed)
return;
isdn_tty_change_speed(info);
if ((old_termios->c_cflag & CRTSCTS) &&
- !(tty->termios->c_cflag & CRTSCTS))
+ !(tty->termios.c_cflag & CRTSCTS))
tty->hw_stopped = 0;
}
}