tty: Use termios c_*flag macros

Expressions of the form "tty->termios.c_*flag & FLAG"
are more clearly expressed with the termios flags macros,
I_FLAG(), C_FLAG(), O_FLAG(), and L_FLAG().

Convert treewide.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 0ea3513..23bf5bb 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -719,16 +719,16 @@
 {
 	int flags = 0;
 
-	if (!(tty->termios.c_lflag & ICANON)) {
-		if (tty->termios.c_lflag & ISIG)
+	if (!L_ICANON(tty)) {
+		if (L_ISIG(tty))
 			flags |= 0x02;		/* cbreak */
 		else
 			flags |= 0x20;		/* raw */
 	}
-	if (tty->termios.c_lflag & ECHO)
+	if (L_ECHO(tty))
 		flags |= 0x08;			/* echo */
-	if (tty->termios.c_oflag & OPOST)
-		if (tty->termios.c_oflag & ONLCR)
+	if (O_OPOST(tty))
+		if (O_ONLCR(tty))
 			flags |= 0x10;		/* crmod */
 	return flags;
 }
@@ -908,7 +908,7 @@
 	tty->termios.c_cflag |= bit;
 	if (tty->ops->set_termios)
 		tty->ops->set_termios(tty, &old);
-	if ((tty->termios.c_cflag & CLOCAL) != bit)
+	if (C_CLOCAL(tty) != bit)
 		ret = -EINVAL;
 	up_write(&tty->termios_rwsem);
 	return ret;