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/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 22b1eb5..bf38640 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -921,7 +921,7 @@
{
const u32 supported_mask = CMSPAR|PARENB|PARODD;
struct iuu_private *priv = usb_get_serial_port_data(port);
- unsigned int cflag = tty->termios->c_cflag;
+ unsigned int cflag = tty->termios.c_cflag;
int status;
u32 actual;
u32 parity;
@@ -930,7 +930,7 @@
u32 newval = cflag & supported_mask;
/* Just use the ospeed. ispeed should be the same. */
- baud = tty->termios->c_ospeed;
+ baud = tty->termios.c_ospeed;
dbg("%s - enter c_ospeed or baud=%d", __func__, baud);
@@ -961,13 +961,13 @@
* settings back over and then adjust them
*/
if (old_termios)
- tty_termios_copy_hw(tty->termios, old_termios);
+ tty_termios_copy_hw(&tty->termios, old_termios);
if (status != 0) /* Set failed - return old bits */
return;
/* Re-encode speed, parity and csize */
tty_encode_baud_rate(tty, baud, baud);
- tty->termios->c_cflag &= ~(supported_mask|CSIZE);
- tty->termios->c_cflag |= newval | csize;
+ tty->termios.c_cflag &= ~(supported_mask|CSIZE);
+ tty->termios.c_cflag |= newval | csize;
}
static void iuu_close(struct usb_serial_port *port)
@@ -993,14 +993,14 @@
static void iuu_init_termios(struct tty_struct *tty)
{
- *(tty->termios) = tty_std_termios;
- tty->termios->c_cflag = CLOCAL | CREAD | CS8 | B9600
+ tty->termios = tty_std_termios;
+ tty->termios.c_cflag = CLOCAL | CREAD | CS8 | B9600
| TIOCM_CTS | CSTOPB | PARENB;
- tty->termios->c_ispeed = 9600;
- tty->termios->c_ospeed = 9600;
- tty->termios->c_lflag = 0;
- tty->termios->c_oflag = 0;
- tty->termios->c_iflag = 0;
+ tty->termios.c_ispeed = 9600;
+ tty->termios.c_ospeed = 9600;
+ tty->termios.c_lflag = 0;
+ tty->termios.c_oflag = 0;
+ tty->termios.c_iflag = 0;
}
static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port)
@@ -1012,8 +1012,8 @@
u32 actual;
struct iuu_private *priv = usb_get_serial_port_data(port);
- baud = tty->termios->c_ospeed;
- tty->termios->c_ispeed = baud;
+ baud = tty->termios.c_ospeed;
+ tty->termios.c_ispeed = baud;
/* Re-encode speed */
tty_encode_baud_rate(tty, baud, baud);