commit adc8d746caa67fff4b53ba3e5163a6cbacc3b523
author Alan Cox <alan@linux.intel.com> Sat Jul 14 15:31:47 2012 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Mon Jul 16 13:00:41 2012 -0700
tree e3f6c05f27c163b369ddd4da5f31d2a61bde6d3a
parent 6d31a88cb2e01d46c0cb74aa5da529e1f92ae3db

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>

drivers/isdn/gigaset/interface.c

diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index a6d9fd2..f9aab74 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -446,8 +446,8 @@
 		goto out;
 	}
 
-	iflag = tty->termios->c_iflag;
-	cflag = tty->termios->c_cflag;
+	iflag = tty->termios.c_iflag;
+	cflag = tty->termios.c_cflag;
 	old_cflag = old ? old->c_cflag : cflag;
 	gig_dbg(DEBUG_IF, "%u: iflag %x cflag %x old %x",
 		cs->minor_index, iflag, cflag, old_cflag);

drivers/isdn/i4l/isdn_tty.c

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;
 	}
 }