[PATCH v2 -next] USB: cypress_m8: remove set but not used variables 'iflag'

[YueHaibing]

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/usb/serial/cypress_m8.c: In function 'cypress_set_termios':
drivers/usb/serial/cypress_m8.c:866:18: warning:
 variable 'iflag' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
v2: only fix 'iflag' warning
---
 drivers/usb/serial/cypress_m8.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 31c6091..8236997 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -863,7 +863,7 @@ static void cypress_set_termios(struct tty_struct *tty,
        struct cypress_private *priv = usb_get_serial_port_data(port);
        struct device *dev = &port->dev;
        int data_bits, stop_bits, parity_type, parity_enable;
-       unsigned cflag, iflag;
+       unsigned int cflag;
        unsigned long flags;
        __u8 oldlines;
        int linechange = 0;
@@ -899,7 +899,6 @@ static void cypress_set_termios(struct tty_struct *tty,
        tty->termios.c_cflag &= ~(CMSPAR|CRTSCTS);
 
        cflag = tty->termios.c_cflag;
-       iflag = tty->termios.c_iflag;
 
        /* check if there are new settings */
        if (old_termios) {