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/ark3116.c b/drivers/usb/serial/ark3116.c
index f8ce97d..3b98fb7 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -215,7 +215,7 @@
 
 static void ark3116_init_termios(struct tty_struct *tty)
 {
-	struct ktermios *termios = tty->termios;
+	struct ktermios *termios = &tty->termios;
 	*termios = tty_std_termios;
 	termios->c_cflag = B9600 | CS8
 				      | CREAD | HUPCL | CLOCAL;
@@ -229,7 +229,7 @@
 {
 	struct usb_serial *serial = port->serial;
 	struct ark3116_private *priv = usb_get_serial_port_data(port);
-	struct ktermios *termios = tty->termios;
+	struct ktermios *termios = &tty->termios;
 	unsigned int cflag = termios->c_cflag;
 	int bps = tty_get_baud_rate(tty);
 	int quot;
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index 6b73656..a46df73 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -307,7 +307,7 @@
 	unsigned long control_state;
 	int bad_flow_control;
 	speed_t baud;
-	struct ktermios *termios = tty->termios;
+	struct ktermios *termios = &tty->termios;
 
 	iflag = termios->c_iflag;
 	cflag = termios->c_cflag;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 1e71079..ba5e07e1 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -469,7 +469,7 @@
 
 	if (tty) {
 		cp210x_get_termios_port(tty->driver_data,
-			&tty->termios->c_cflag, &baud);
+			&tty->termios.c_cflag, &baud);
 		tty_encode_baud_rate(tty, baud, baud);
 	}
 
@@ -631,7 +631,7 @@
 {
 	u32 baud;
 
-	baud = tty->termios->c_ospeed;
+	baud = tty->termios.c_ospeed;
 
 	/* This maps the requested rate to a rate valid on cp2102 or cp2103,
 	 * or to an arbitrary rate in [1M,2M].
@@ -665,10 +665,10 @@
 	if (!tty)
 		return;
 
-	cflag = tty->termios->c_cflag;
+	cflag = tty->termios.c_cflag;
 	old_cflag = old_termios->c_cflag;
 
-	if (tty->termios->c_ospeed != old_termios->c_ospeed)
+	if (tty->termios.c_ospeed != old_termios->c_ospeed)
 		cp210x_change_speed(tty, port, old_termios);
 
 	/* If the number of data bits is to be updated */
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index b78c34e..be34f15 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -922,38 +922,38 @@
 	   early enough */
 	if (!priv->termios_initialized) {
 		if (priv->chiptype == CT_EARTHMATE) {
-			*(tty->termios) = tty_std_termios;
-			tty->termios->c_cflag = B4800 | CS8 | CREAD | HUPCL |
+			tty->termios = tty_std_termios;
+			tty->termios.c_cflag = B4800 | CS8 | CREAD | HUPCL |
 				CLOCAL;
-			tty->termios->c_ispeed = 4800;
-			tty->termios->c_ospeed = 4800;
+			tty->termios.c_ispeed = 4800;
+			tty->termios.c_ospeed = 4800;
 		} else if (priv->chiptype == CT_CYPHIDCOM) {
-			*(tty->termios) = tty_std_termios;
-			tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL |
+			tty->termios = tty_std_termios;
+			tty->termios.c_cflag = B9600 | CS8 | CREAD | HUPCL |
 				CLOCAL;
-			tty->termios->c_ispeed = 9600;
-			tty->termios->c_ospeed = 9600;
+			tty->termios.c_ispeed = 9600;
+			tty->termios.c_ospeed = 9600;
 		} else if (priv->chiptype == CT_CA42V2) {
-			*(tty->termios) = tty_std_termios;
-			tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL |
+			tty->termios = tty_std_termios;
+			tty->termios.c_cflag = B9600 | CS8 | CREAD | HUPCL |
 				CLOCAL;
-			tty->termios->c_ispeed = 9600;
-			tty->termios->c_ospeed = 9600;
+			tty->termios.c_ispeed = 9600;
+			tty->termios.c_ospeed = 9600;
 		}
 		priv->termios_initialized = 1;
 	}
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	/* Unsupported features need clearing */
-	tty->termios->c_cflag &= ~(CMSPAR|CRTSCTS);
+	tty->termios.c_cflag &= ~(CMSPAR|CRTSCTS);
 
-	cflag = tty->termios->c_cflag;
-	iflag = tty->termios->c_iflag;
+	cflag = tty->termios.c_cflag;
+	iflag = tty->termios.c_iflag;
 
 	/* check if there are new settings */
 	if (old_termios) {
 		spin_lock_irqsave(&priv->lock, flags);
-		priv->tmp_termios = *(tty->termios);
+		priv->tmp_termios = tty->termios;
 		spin_unlock_irqrestore(&priv->lock, flags);
 	}
 
@@ -1021,7 +1021,7 @@
 				"4800bps.");
 		/* define custom termios settings for NMEA protocol */
 
-		tty->termios->c_iflag /* input modes - */
+		tty->termios.c_iflag /* input modes - */
 			&= ~(IGNBRK  /* disable ignore break */
 			| BRKINT     /* disable break causes interrupt */
 			| PARMRK     /* disable mark parity errors */
@@ -1031,10 +1031,10 @@
 			| ICRNL      /* disable translate CR to NL */
 			| IXON);     /* disable enable XON/XOFF flow control */
 
-		tty->termios->c_oflag /* output modes */
+		tty->termios.c_oflag /* output modes */
 			&= ~OPOST;    /* disable postprocess output char */
 
-		tty->termios->c_lflag /* line discipline modes */
+		tty->termios.c_lflag /* line discipline modes */
 			&= ~(ECHO     /* disable echo input characters */
 			| ECHONL      /* disable echo new line */
 			| ICANON      /* disable erase, kill, werase, and rprnt
@@ -1200,7 +1200,7 @@
 
 	/* hangup, as defined in acm.c... this might be a bad place for it
 	 * though */
-	if (tty && !(tty->termios->c_cflag & CLOCAL) &&
+	if (tty && !(tty->termios.c_cflag & CLOCAL) &&
 			!(priv->current_status & UART_CD)) {
 		dbg("%s - calling hangup", __func__);
 		tty_hangup(tty);
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index b5cd838..afd9d2e 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -687,8 +687,8 @@
 		struct usb_serial_port *port, struct ktermios *old_termios)
 {
 	struct digi_port *priv = usb_get_serial_port_data(port);
-	unsigned int iflag = tty->termios->c_iflag;
-	unsigned int cflag = tty->termios->c_cflag;
+	unsigned int iflag = tty->termios.c_iflag;
+	unsigned int cflag = tty->termios.c_cflag;
 	unsigned int old_iflag = old_termios->c_iflag;
 	unsigned int old_cflag = old_termios->c_cflag;
 	unsigned char buf[32];
@@ -709,7 +709,7 @@
 			/* don't set RTS if using hardware flow control */
 			/* and throttling input */
 			modem_signals = TIOCM_DTR;
-			if (!(tty->termios->c_cflag & CRTSCTS) ||
+			if (!(tty->termios.c_cflag & CRTSCTS) ||
 			    !test_bit(TTY_THROTTLED, &tty->flags))
 				modem_signals |= TIOCM_RTS;
 			digi_set_modem_signals(port, modem_signals, 1);
@@ -748,7 +748,7 @@
 		}
 	}
 	/* set parity */
-	tty->termios->c_cflag &= ~CMSPAR;
+	tty->termios.c_cflag &= ~CMSPAR;
 
 	if ((cflag&(PARENB|PARODD)) != (old_cflag&(PARENB|PARODD))) {
 		if (cflag&PARENB) {
@@ -1124,8 +1124,8 @@
 
 	/* set termios settings */
 	if (tty) {
-		not_termios.c_cflag = ~tty->termios->c_cflag;
-		not_termios.c_iflag = ~tty->termios->c_iflag;
+		not_termios.c_cflag = ~tty->termios.c_cflag;
+		not_termios.c_iflag = ~tty->termios.c_iflag;
 		digi_set_termios(tty, port, &not_termios);
 	}
 	return 0;
@@ -1500,7 +1500,7 @@
 
 		rts = 0;
 		if (tty)
-			rts = tty->termios->c_cflag & CRTSCTS;
+			rts = tty->termios.c_cflag & CRTSCTS;
 		
 		if (tty && opcode == DIGI_CMD_READ_INPUT_SIGNALS) {
 			spin_lock(&priv->dp_port_lock);
diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c
index cdf61dd..34e8638 100644
--- a/drivers/usb/serial/empeg.c
+++ b/drivers/usb/serial/empeg.c
@@ -87,7 +87,7 @@
 
 static void empeg_init_termios(struct tty_struct *tty)
 {
-	struct ktermios *termios = tty->termios;
+	struct ktermios *termios = &tty->termios;
 
 	/*
 	 * The empeg-car player wants these particular tty settings.
diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
index 499b15f..42c604bc 100644
--- a/drivers/usb/serial/f81232.c
+++ b/drivers/usb/serial/f81232.c
@@ -173,7 +173,7 @@
 	/* FIXME - Stubbed out for now */
 
 	/* Don't change anything if nothing has changed */
-	if (!tty_termios_hw_change(tty->termios, old_termios))
+	if (!tty_termios_hw_change(&tty->termios, old_termios))
 		return;
 
 	/* Do the real work here... */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index bc912e5..4b8b41a 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2081,7 +2081,7 @@
 {
 	struct usb_device *dev = port->serial->dev;
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
-	struct ktermios *termios = tty->termios;
+	struct ktermios *termios = &tty->termios;
 	unsigned int cflag = termios->c_cflag;
 	__u16 urb_value; /* will hold the new flags */
 
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index e1f5ccd..f435575 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -1458,7 +1458,7 @@
 	}
 
 	/* if we are implementing RTS/CTS, toggle that line */
-	if (tty->termios->c_cflag & CRTSCTS) {
+	if (tty->termios.c_cflag & CRTSCTS) {
 		edge_port->shadowMCR &= ~MCR_RTS;
 		status = send_cmd_write_uart_register(edge_port, MCR,
 							edge_port->shadowMCR);
@@ -1497,7 +1497,7 @@
 			return;
 	}
 	/* if we are implementing RTS/CTS, toggle that line */
-	if (tty->termios->c_cflag & CRTSCTS) {
+	if (tty->termios.c_cflag & CRTSCTS) {
 		edge_port->shadowMCR |= MCR_RTS;
 		send_cmd_write_uart_register(edge_port, MCR,
 						edge_port->shadowMCR);
@@ -1516,9 +1516,9 @@
 	struct edgeport_port *edge_port = usb_get_serial_port_data(port);
 	unsigned int cflag;
 
-	cflag = tty->termios->c_cflag;
+	cflag = tty->termios.c_cflag;
 	dbg("%s - clfag %08x iflag %08x", __func__,
-	    tty->termios->c_cflag, tty->termios->c_iflag);
+	    tty->termios.c_cflag, tty->termios.c_iflag);
 	dbg("%s - old clfag %08x old iflag %08x", __func__,
 	    old_termios->c_cflag, old_termios->c_iflag);
 
@@ -1987,7 +1987,7 @@
 		tty = tty_port_tty_get(&edge_port->port->port);
 		if (tty) {
 			change_port_settings(tty,
-				edge_port, tty->termios);
+				edge_port, &tty->termios);
 			tty_kref_put(tty);
 		}
 
@@ -2570,7 +2570,7 @@
 		return;
 	}
 
-	cflag = tty->termios->c_cflag;
+	cflag = tty->termios.c_cflag;
 
 	switch (cflag & CSIZE) {
 	case CS5:
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index 3936904..765978a 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -1870,7 +1870,7 @@
 
 	/* set up the port settings */
 	if (tty)
-		edge_set_termios(tty, port, tty->termios);
+		edge_set_termios(tty, port, &tty->termios);
 
 	/* open up the port */
 
@@ -2272,13 +2272,13 @@
 
 	config = kmalloc (sizeof (*config), GFP_KERNEL);
 	if (!config) {
-		*tty->termios = *old_termios;
+		tty->termios = *old_termios;
 		dev_err(&edge_port->port->dev, "%s - out of memory\n",
 								__func__);
 		return;
 	}
 
-	cflag = tty->termios->c_cflag;
+	cflag = tty->termios.c_cflag;
 
 	config->wFlags = 0;
 
@@ -2362,7 +2362,7 @@
 	} else
 		dbg("%s - OUTBOUND XON/XOFF is disabled", __func__);
 
-	tty->termios->c_cflag &= ~CMSPAR;
+	tty->termios.c_cflag &= ~CMSPAR;
 
 	/* Round the baud rate */
 	baud = tty_get_baud_rate(tty);
@@ -2408,10 +2408,10 @@
 	struct edgeport_port *edge_port = usb_get_serial_port_data(port);
 	unsigned int cflag;
 
-	cflag = tty->termios->c_cflag;
+	cflag = tty->termios.c_cflag;
 
 	dbg("%s - clfag %08x iflag %08x", __func__,
-	    tty->termios->c_cflag, tty->termios->c_iflag);
+	    tty->termios.c_cflag, tty->termios.c_iflag);
 	dbg("%s - old clfag %08x old iflag %08x", __func__,
 	    old_termios->c_cflag, old_termios->c_iflag);
 	dbg("%s - port %d", __func__, port->number);
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index fc09414..5a96692 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -381,7 +381,7 @@
 		ir_xbof = ir_xbof_change(xbof) ;
 
 	/* Only speed changes are supported */
-	tty_termios_copy_hw(tty->termios, old_termios);
+	tty_termios_copy_hw(&tty->termios, old_termios);
 	tty_encode_baud_rate(tty, baud, baud);
 
 	/*
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);
 
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index a1b9924..6225199 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -158,7 +158,7 @@
 
 	p_priv = usb_get_serial_port_data(port);
 	d_details = p_priv->device_details;
-	cflag = tty->termios->c_cflag;
+	cflag = tty->termios.c_cflag;
 	device_port = port->number - port->serial->minor;
 
 	/* Baud rate calculation takes baud rate as an integer
@@ -179,7 +179,7 @@
 	p_priv->flow_control = (cflag & CRTSCTS)? flow_cts: flow_none;
 
 	/* Mark/Space not supported */
-	tty->termios->c_cflag &= ~CMSPAR;
+	tty->termios.c_cflag &= ~CMSPAR;
 
 	keyspan_send_setup(port, 0);
 }
@@ -1089,7 +1089,7 @@
 
 	device_port = port->number - port->serial->minor;
 	if (tty) {
-		cflag = tty->termios->c_cflag;
+		cflag = tty->termios.c_cflag;
 		/* Baud rate calculation takes baud rate as an integer
 		   so other rates can be generated if desired. */
 		baud_rate = tty_get_baud_rate(tty);
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index a4ac3cf..dcada86 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -338,7 +338,7 @@
 	   7[EOMS]1: 10 bit, b0/b7 is parity
 	   7[EOMS]2: 11 bit, b0/b7 is parity, extra bit always (mark?)
 
-	   HW flow control is dictated by the tty->termios->c_cflags & CRTSCTS
+	   HW flow control is dictated by the tty->termios.c_cflags & CRTSCTS
 	   bit.
 
 	   For now, just do baud. */
@@ -353,7 +353,7 @@
 	}
 	/* Only speed can change so copy the old h/w parameters
 	   then encode the new speed */
-	tty_termios_copy_hw(tty->termios, old_termios);
+	tty_termios_copy_hw(&tty->termios, old_termios);
 	tty_encode_baud_rate(tty, speed, speed);
 }
 
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 5bed59c..def9ad2 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -311,12 +311,12 @@
 
 	/* set up termios structure */
 	spin_lock_irqsave(&priv->lock, flags);
-	priv->termios.c_iflag = tty->termios->c_iflag;
-	priv->termios.c_oflag = tty->termios->c_oflag;
-	priv->termios.c_cflag = tty->termios->c_cflag;
-	priv->termios.c_lflag = tty->termios->c_lflag;
+	priv->termios.c_iflag = tty->termios.c_iflag;
+	priv->termios.c_oflag = tty->termios.c_oflag;
+	priv->termios.c_cflag = tty->termios.c_cflag;
+	priv->termios.c_lflag = tty->termios.c_lflag;
 	for (i = 0; i < NCCS; i++)
-		priv->termios.c_cc[i] = tty->termios->c_cc[i];
+		priv->termios.c_cc[i] = tty->termios.c_cc[i];
 	priv->cfg.pktlen   = cfg->pktlen;
 	priv->cfg.baudrate = cfg->baudrate;
 	priv->cfg.databits = cfg->databits;
@@ -445,9 +445,9 @@
 				 struct ktermios *old_termios)
 {
 	struct klsi_105_private *priv = usb_get_serial_port_data(port);
-	unsigned int iflag = tty->termios->c_iflag;
+	unsigned int iflag = tty->termios.c_iflag;
 	unsigned int old_iflag = old_termios->c_iflag;
-	unsigned int cflag = tty->termios->c_cflag;
+	unsigned int cflag = tty->termios.c_cflag;
 	unsigned int old_cflag = old_termios->c_cflag;
 	struct klsi_105_port_settings *cfg;
 	unsigned long flags;
@@ -560,7 +560,7 @@
 	if ((cflag & (PARENB|PARODD)) != (old_cflag & (PARENB|PARODD))
 	    || (cflag & CSTOPB) != (old_cflag & CSTOPB)) {
 		/* Not currently supported */
-		tty->termios->c_cflag &= ~(PARENB|PARODD|CSTOPB);
+		tty->termios.c_cflag &= ~(PARENB|PARODD|CSTOPB);
 #if 0
 		priv->last_lcr = 0;
 
@@ -587,7 +587,7 @@
 	    || (iflag & IXON) != (old_iflag & IXON)
 	    ||  (cflag & CRTSCTS) != (old_cflag & CRTSCTS)) {
 		/* Not currently supported */
-		tty->termios->c_cflag &= ~CRTSCTS;
+		tty->termios.c_cflag &= ~CRTSCTS;
 		/* Drop DTR/RTS if no flow control otherwise assert */
 #if 0
 		if ((iflag & IXOFF) || (iflag & IXON) || (cflag & CRTSCTS))
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index fafeabb..0516a96 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -191,11 +191,11 @@
 static void kobil_init_termios(struct tty_struct *tty)
 {
 	/* Default to echo off and other sane device settings */
-	tty->termios->c_lflag = 0;
-	tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE);
-	tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF;
+	tty->termios.c_lflag = 0;
+	tty->termios.c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE);
+	tty->termios.c_lflag = IGNBRK | IGNPAR | IXOFF;
 	/* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */
-	tty->termios->c_oflag &= ~ONLCR;
+	tty->termios.c_oflag &= ~ONLCR;
 }
 
 static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)
@@ -581,14 +581,14 @@
 	struct kobil_private *priv;
 	int result;
 	unsigned short urb_val = 0;
-	int c_cflag = tty->termios->c_cflag;
+	int c_cflag = tty->termios.c_cflag;
 	speed_t speed;
 
 	priv = usb_get_serial_port_data(port);
 	if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
 			priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
 		/* This device doesn't support ioctl calls */
-		*tty->termios = *old;
+		tty->termios = *old;
 		return;
 	}
 
@@ -612,7 +612,7 @@
 			urb_val |= SUSBCR_SPASB_EvenParity;
 	} else
 		urb_val |= SUSBCR_SPASB_NoParity;
-	tty->termios->c_cflag &= ~CMSPAR;
+	tty->termios.c_cflag &= ~CMSPAR;
 	tty_encode_baud_rate(tty, speed, speed);
 
 	result = usb_control_msg(port->serial->dev,
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index a71fa0a..df98cff 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -454,7 +454,7 @@
 	 * either.
 	 */
 	spin_lock_irqsave(&priv->lock, flags);
-	if (tty && (tty->termios->c_cflag & CBAUD))
+	if (tty && (tty->termios.c_cflag & CBAUD))
 		priv->control_state = TIOCM_DTR | TIOCM_RTS;
 	else
 		priv->control_state = 0;
@@ -634,7 +634,7 @@
 {
 	struct usb_serial *serial = port->serial;
 	struct mct_u232_private *priv = usb_get_serial_port_data(port);
-	struct ktermios *termios = tty->termios;
+	struct ktermios *termios = &tty->termios;
 	unsigned int cflag = termios->c_cflag;
 	unsigned int old_cflag = old_termios->c_cflag;
 	unsigned long flags;
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index a07dd3c..012f67b 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -1349,7 +1349,7 @@
 	}
 
 	/* if we are implementing RTS/CTS, toggle that line */
-	if (tty->termios->c_cflag & CRTSCTS) {
+	if (tty->termios.c_cflag & CRTSCTS) {
 		mos7720_port->shadowMCR &= ~UART_MCR_RTS;
 		write_mos_reg(port->serial, port->number - port->serial->minor,
 			      MCR, mos7720_port->shadowMCR);
@@ -1383,7 +1383,7 @@
 	}
 
 	/* if we are implementing RTS/CTS, toggle that line */
-	if (tty->termios->c_cflag & CRTSCTS) {
+	if (tty->termios.c_cflag & CRTSCTS) {
 		mos7720_port->shadowMCR |= UART_MCR_RTS;
 		write_mos_reg(port->serial, port->number - port->serial->minor,
 			      MCR, mos7720_port->shadowMCR);
@@ -1604,8 +1604,8 @@
 	lStop = 0x00;	/* 1 stop bit */
 	lParity = 0x00;	/* No parity */
 
-	cflag = tty->termios->c_cflag;
-	iflag = tty->termios->c_iflag;
+	cflag = tty->termios.c_cflag;
+	iflag = tty->termios.c_iflag;
 
 	/* Change the number of bits */
 	switch (cflag & CSIZE) {
@@ -1753,11 +1753,11 @@
 
 	dbg("%s\n", "setting termios - ASPIRE");
 
-	cflag = tty->termios->c_cflag;
+	cflag = tty->termios.c_cflag;
 
 	dbg("%s - cflag %08x iflag %08x", __func__,
-	    tty->termios->c_cflag,
-	    RELEVANT_IFLAG(tty->termios->c_iflag));
+	    tty->termios.c_cflag,
+	    RELEVANT_IFLAG(tty->termios.c_iflag));
 
 	dbg("%s - old cflag %08x old iflag %08x", __func__,
 	    old_termios->c_cflag,
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 57eca24..d2f2b5d 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1649,7 +1649,7 @@
 			return;
 	}
 	/* if we are implementing RTS/CTS, toggle that line */
-	if (tty->termios->c_cflag & CRTSCTS) {
+	if (tty->termios.c_cflag & CRTSCTS) {
 		mos7840_port->shadowMCR &= ~MCR_RTS;
 		status = mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER,
 					 mos7840_port->shadowMCR);
@@ -1692,7 +1692,7 @@
 	}
 
 	/* if we are implementing RTS/CTS, toggle that line */
-	if (tty->termios->c_cflag & CRTSCTS) {
+	if (tty->termios.c_cflag & CRTSCTS) {
 		mos7840_port->shadowMCR |= MCR_RTS;
 		status = mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER,
 					 mos7840_port->shadowMCR);
@@ -1998,8 +1998,8 @@
 	lStop = LCR_STOP_1;
 	lParity = LCR_PAR_NONE;
 
-	cflag = tty->termios->c_cflag;
-	iflag = tty->termios->c_iflag;
+	cflag = tty->termios.c_cflag;
+	iflag = tty->termios.c_iflag;
 
 	/* Change the number of bits */
 	if (cflag & CSIZE) {
@@ -2159,10 +2159,10 @@
 
 	dbg("%s", "setting termios - ");
 
-	cflag = tty->termios->c_cflag;
+	cflag = tty->termios.c_cflag;
 
 	dbg("%s - clfag %08x iflag %08x", __func__,
-	    tty->termios->c_cflag, RELEVANT_IFLAG(tty->termios->c_iflag));
+	    tty->termios.c_cflag, RELEVANT_IFLAG(tty->termios.c_iflag));
 	dbg("%s - old clfag %08x old iflag %08x", __func__,
 	    old_termios->c_cflag, RELEVANT_IFLAG(old_termios->c_iflag));
 	dbg("%s - port %d", __func__, port->number);
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 5976b65..9f55556 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -404,10 +404,10 @@
 
 static void oti6858_init_termios(struct tty_struct *tty)
 {
-	*(tty->termios) = tty_std_termios;
-	tty->termios->c_cflag = B38400 | CS8 | CREAD | HUPCL | CLOCAL;
-	tty->termios->c_ispeed = 38400;
-	tty->termios->c_ospeed = 38400;
+	tty->termios = tty_std_termios;
+	tty->termios.c_cflag = B38400 | CS8 | CREAD | HUPCL | CLOCAL;
+	tty->termios.c_ispeed = 38400;
+	tty->termios.c_ospeed = 38400;
 }
 
 static void oti6858_set_termios(struct tty_struct *tty,
@@ -425,7 +425,7 @@
 		return;
 	}
 
-	cflag = tty->termios->c_cflag;
+	cflag = tty->termios.c_cflag;
 
 	spin_lock_irqsave(&priv->lock, flags);
 	divisor = priv->pending_setup.divisor;
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 13b8dd6..2b9108a 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -260,16 +260,16 @@
 	   serial settings even to the same values as before. Thus
 	   we actually need to filter in this specific case */
 
-	if (!tty_termios_hw_change(tty->termios, old_termios))
+	if (!tty_termios_hw_change(&tty->termios, old_termios))
 		return;
 
-	cflag = tty->termios->c_cflag;
+	cflag = tty->termios.c_cflag;
 
 	buf = kzalloc(7, GFP_KERNEL);
 	if (!buf) {
 		dev_err(&port->dev, "%s - out of memory.\n", __func__);
 		/* Report back no change occurred */
-		*tty->termios = *old_termios;
+		tty->termios = *old_termios;
 		return;
 	}
 
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 8dd88eb..7de6d49 100644
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -275,7 +275,7 @@
 {
 	struct usb_device *dev = port->serial->dev;
 	struct qt2_port_private *port_priv;
-	struct ktermios *termios = tty->termios;
+	struct ktermios *termios = &tty->termios;
 	u16 baud;
 	unsigned int cflag = termios->c_cflag;
 	u16 new_lcr = 0;
@@ -408,7 +408,7 @@
 	port_priv->device_port = (u8) device_port;
 
 	if (tty)
-		qt2_set_termios(tty, port, tty->termios);
+		qt2_set_termios(tty, port, &tty->termios);
 
 	return 0;
 
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index d423d36..a4e4f3a 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -385,7 +385,7 @@
 static void sierra_set_termios(struct tty_struct *tty,
 		struct usb_serial_port *port, struct ktermios *old_termios)
 {
-	tty_termios_copy_hw(tty->termios, old_termios);
+	tty_termios_copy_hw(&tty->termios, old_termios);
 	sierra_send_setup(port);
 }
 
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index cad6089..ab68a4d 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -316,10 +316,10 @@
 static void spcp8x5_init_termios(struct tty_struct *tty)
 {
 	/* for the 1st time call this function */
-	*(tty->termios) = tty_std_termios;
-	tty->termios->c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL;
-	tty->termios->c_ispeed = 115200;
-	tty->termios->c_ospeed = 115200;
+	tty->termios = tty_std_termios;
+	tty->termios.c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL;
+	tty->termios.c_ispeed = 115200;
+	tty->termios.c_ospeed = 115200;
 }
 
 /* set the serial param for transfer. we should check if we really need to
@@ -330,7 +330,7 @@
 	struct usb_serial *serial = port->serial;
 	struct spcp8x5_private *priv = usb_get_serial_port_data(port);
 	unsigned long flags;
-	unsigned int cflag = tty->termios->c_cflag;
+	unsigned int cflag = tty->termios.c_cflag;
 	unsigned int old_cflag = old_termios->c_cflag;
 	unsigned short uartdata;
 	unsigned char buf[2] = {0, 0};
@@ -340,7 +340,7 @@
 
 
 	/* check that they really want us to change something */
-	if (!tty_termios_hw_change(tty->termios, old_termios))
+	if (!tty_termios_hw_change(&tty->termios, old_termios))
 		return;
 
 	/* set DTR/RTS active */
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 3fee23b..cf2d30c 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -216,7 +216,7 @@
 			       struct ktermios *old_termios)
 {
 	struct usb_device *dev = port->serial->dev;
-	struct ktermios *termios = tty->termios;
+	struct ktermios *termios = &tty->termios;
 	u16 baud, divisor, remainder;
 	unsigned int cflag = termios->c_cflag;
 	u16 urb_value = 0; /* will hold the new flags */
@@ -322,7 +322,7 @@
 		dbg("%s - set uart failed", __func__);
 
 	if (tty)
-		ssu100_set_termios(tty, port, tty->termios);
+		ssu100_set_termios(tty, port, &tty->termios);
 
 	return usb_serial_generic_open(tty, port);
 }
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index a4404f5..f502a16 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -520,7 +520,7 @@
 	}
 
 	if (tty)
-		ti_set_termios(tty, port, tty->termios);
+		ti_set_termios(tty, port, &tty->termios);
 
 	dbg("%s - sending TI_OPEN_PORT", __func__);
 	status = ti_command_out_sync(tdev, TI_OPEN_PORT,
@@ -562,7 +562,7 @@
 	usb_clear_halt(dev, port->read_urb->pipe);
 
 	if (tty)
-		ti_set_termios(tty, port, tty->termios);
+		ti_set_termios(tty, port, &tty->termios);
 
 	dbg("%s - sending TI_OPEN_PORT (2)", __func__);
 	status = ti_command_out_sync(tdev, TI_OPEN_PORT,
@@ -831,8 +831,8 @@
 	int port_number = port->number - port->serial->minor;
 	unsigned int mcr;
 
-	cflag = tty->termios->c_cflag;
-	iflag = tty->termios->c_iflag;
+	cflag = tty->termios.c_cflag;
+	iflag = tty->termios.c_iflag;
 
 	dbg("%s - cflag %08x, iflag %08x", __func__, cflag, iflag);
 	dbg("%s - old clfag %08x, old iflag %08x", __func__,
@@ -871,7 +871,7 @@
 	}
 
 	/* CMSPAR isn't supported by this driver */
-	tty->termios->c_cflag &= ~CMSPAR;
+	tty->termios.c_cflag &= ~CMSPAR;
 
 	if (cflag & PARENB) {
 		if (cflag & PARODD) {
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index da67abb..5fe2135 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -423,7 +423,7 @@
 	if (port->serial->type->set_termios)
 		port->serial->type->set_termios(tty, port, old);
 	else
-		tty_termios_copy_hw(tty->termios, old);
+		tty_termios_copy_hw(&tty->termios, old);
 }
 
 static int serial_break(struct tty_struct *tty, int break_state)
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index f35971d..7c3db9e 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -67,7 +67,7 @@
 	struct usb_wwan_intf_private *intfdata = port->serial->private;
 
 	/* Doesn't support option setting */
-	tty_termios_copy_hw(tty->termios, old_termios);
+	tty_termios_copy_hw(&tty->termios, old_termios);
 
 	if (intfdata->send_setup)
 		intfdata->send_setup(port);
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 473635e..b36077d 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -724,7 +724,7 @@
 {
 	struct usb_serial_port *port = tty->driver_data;
 	struct whiteheat_port_settings port_settings;
-	unsigned int cflag = tty->termios->c_cflag;
+	unsigned int cflag = tty->termios.c_cflag;
 
 	port_settings.port = port->number + 1;