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authorAlan Cox <alan@linux.intel.com>2012-07-14 15:31:47 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 13:00:41 -0700
commitadc8d746caa67fff4b53ba3e5163a6cbacc3b523 (patch)
treee3f6c05f27c163b369ddd4da5f31d2a61bde6d3a /net/irda/ircomm
parent6d31a88cb2e01d46c0cb74aa5da529e1f92ae3db (diff)
downloadlinux-adc8d746caa67fff4b53ba3e5163a6cbacc3b523.tar.gz
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 'net/irda/ircomm')
-rw-r--r--net/irda/ircomm/ircomm_tty.c12
-rw-r--r--net/irda/ircomm/ircomm_tty_ioctl.c10
2 files changed, 11 insertions, 11 deletions
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
index 4e35b45c1c7..7a0d6115d06 100644
--- a/net/irda/ircomm/ircomm_tty.c
+++ b/net/irda/ircomm/ircomm_tty.c
@@ -292,7 +292,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
return 0;
}
- if (tty->termios->c_cflag & CLOCAL) {
+ if (tty->termios.c_cflag & CLOCAL) {
IRDA_DEBUG(1, "%s(), doing CLOCAL!\n", __func__ );
do_clocal = 1;
}
@@ -319,7 +319,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
port->blocked_open++;
while (1) {
- if (tty->termios->c_cflag & CBAUD)
+ if (tty->termios.c_cflag & CBAUD)
tty_port_raise_dtr_rts(port);
current->state = TASK_INTERRUPTIBLE;
@@ -421,8 +421,8 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
*
* Note this is completely usafe and doesn't work properly
*/
- tty->termios->c_iflag = 0;
- tty->termios->c_oflag = 0;
+ tty->termios.c_iflag = 0;
+ tty->termios.c_oflag = 0;
/* Insert into hash */
/* FIXME there is a window from find to here */
@@ -842,7 +842,7 @@ static void ircomm_tty_throttle(struct tty_struct *tty)
ircomm_tty_send_xchar(tty, STOP_CHAR(tty));
/* Hardware flow control? */
- if (tty->termios->c_cflag & CRTSCTS) {
+ if (tty->termios.c_cflag & CRTSCTS) {
self->settings.dte &= ~IRCOMM_RTS;
self->settings.dte |= IRCOMM_DELTA_RTS;
@@ -874,7 +874,7 @@ static void ircomm_tty_unthrottle(struct tty_struct *tty)
}
/* Using hardware flow control? */
- if (tty->termios->c_cflag & CRTSCTS) {
+ if (tty->termios.c_cflag & CRTSCTS) {
self->settings.dte |= (IRCOMM_RTS|IRCOMM_DELTA_RTS);
ircomm_param_request(self, IRCOMM_DTE, TRUE);
diff --git a/net/irda/ircomm/ircomm_tty_ioctl.c b/net/irda/ircomm/ircomm_tty_ioctl.c
index 0eab6500e99..b343f50dc8d 100644
--- a/net/irda/ircomm/ircomm_tty_ioctl.c
+++ b/net/irda/ircomm/ircomm_tty_ioctl.c
@@ -63,7 +63,7 @@ static void ircomm_tty_change_speed(struct ircomm_tty_cb *self,
if (!self->ircomm)
return;
- cflag = tty->termios->c_cflag;
+ cflag = tty->termios.c_cflag;
/* byte size and parity */
switch (cflag & CSIZE) {
@@ -149,12 +149,12 @@ void ircomm_tty_set_termios(struct tty_struct *tty,
struct ktermios *old_termios)
{
struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;
- unsigned int cflag = tty->termios->c_cflag;
+ unsigned int cflag = tty->termios.c_cflag;
IRDA_DEBUG(2, "%s()\n", __func__ );
if ((cflag == old_termios->c_cflag) &&
- (RELEVANT_IFLAG(tty->termios->c_iflag) ==
+ (RELEVANT_IFLAG(tty->termios.c_iflag) ==
RELEVANT_IFLAG(old_termios->c_iflag)))
{
return;
@@ -173,7 +173,7 @@ void ircomm_tty_set_termios(struct tty_struct *tty,
if (!(old_termios->c_cflag & CBAUD) &&
(cflag & CBAUD)) {
self->settings.dte |= IRCOMM_DTR;
- if (!(tty->termios->c_cflag & CRTSCTS) ||
+ if (!(tty->termios.c_cflag & CRTSCTS) ||
!test_bit(TTY_THROTTLED, &tty->flags)) {
self->settings.dte |= IRCOMM_RTS;
}
@@ -182,7 +182,7 @@ void ircomm_tty_set_termios(struct tty_struct *tty,
/* Handle turning off CRTSCTS */
if ((old_termios->c_cflag & CRTSCTS) &&
- !(tty->termios->c_cflag & CRTSCTS))
+ !(tty->termios.c_cflag & CRTSCTS))
{
tty->hw_stopped = 0;
ircomm_tty_start(tty);