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>

1 files changed, 10 insertions, 10 deletions

diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 90cc680c4f0e..c162ee931167 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -643,7 +643,7 @@ static int mxser_change_speed(struct tty_struct *tty,
         int ret = 0;
         unsigned char status;
 
-        cflag = tty->termios->c_cflag;
+        cflag = tty->termios.c_cflag;
         if (!info->ioaddr)
                 return ret;
 
@@ -1520,10 +1520,10 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp)
                                 
                                 tty = tty_port_tty_get(port);
 
-                                if (!tty || !tty->termios)
+                                if (!tty)
                                         ms.cflag = ip->normal_termios.c_cflag;
                                 else
-                                        ms.cflag = tty->termios->c_cflag;
+                                        ms.cflag = tty->termios.c_cflag;
                                 tty_kref_put(tty);
                                 spin_lock_irq(&ip->slock);
                                 status = inb(ip->ioaddr + UART_MSR);
@@ -1589,13 +1589,13 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp)
 
                                 tty = tty_port_tty_get(&ip->port);
 
-                                if (!tty || !tty->termios) {
+                                if (!tty) {
                                         cflag = ip->normal_termios.c_cflag;
                                         iflag = ip->normal_termios.c_iflag;
                                         me->baudrate[p] = tty_termios_baud_rate(&ip->normal_termios);
                                 } else {
-                                        cflag = tty->termios->c_cflag;
-                                        iflag = tty->termios->c_iflag;
+                                        cflag = tty->termios.c_cflag;
+                                        iflag = tty->termios.c_iflag;
                                         me->baudrate[p] = tty_get_baud_rate(tty);
                                 }
                                 tty_kref_put(tty);
@@ -1853,7 +1853,7 @@ static void mxser_stoprx(struct tty_struct *tty)
                 }
         }
 
-        if (tty->termios->c_cflag & CRTSCTS) {
+        if (tty->termios.c_cflag & CRTSCTS) {
                 info->MCR &= ~UART_MCR_RTS;
                 outb(info->MCR, info->ioaddr + UART_MCR);
         }
@@ -1890,7 +1890,7 @@ static void mxser_unthrottle(struct tty_struct *tty)
                 }
         }
 
-        if (tty->termios->c_cflag & CRTSCTS) {
+        if (tty->termios.c_cflag & CRTSCTS) {
                 info->MCR |= UART_MCR_RTS;
                 outb(info->MCR, info->ioaddr + UART_MCR);
         }
@@ -1939,14 +1939,14 @@ static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termi
         spin_unlock_irqrestore(&info->slock, flags);
 
         if ((old_termios->c_cflag & CRTSCTS) &&
-                        !(tty->termios->c_cflag & CRTSCTS)) {
+                        !(tty->termios.c_cflag & CRTSCTS)) {
                 tty->hw_stopped = 0;
                 mxser_start(tty);
         }
 
         /* Handle sw stopped */
         if ((old_termios->c_iflag & IXON) &&
-                        !(tty->termios->c_iflag & IXON)) {
+                        !(tty->termios.c_iflag & IXON)) {
                 tty->stopped = 0;
 
                 if (info->board->chip_flag) {