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USB: serial: mos7720: remove redundant variables iflag, mask and serial

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Variables iflag, mask and serial are being assigned but are never used
hence are redundant and can be removed.

Cleans up clang warnings:
warning: variable 'iflag' set but not used [-Wunused-but-set-variable]
warning: variable 'mask' set but not used [-Wunused-but-set-variable]
warning: variable 'serial' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Colin Ian King 2018-07-13 11:08:31 +01:00 committed by Johan Hovold
parent 3738c50665
commit 1e2ae1d7e4
1 changed files with 0 additions and 9 deletions
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9
drivers/usb/serial/mos7720.c
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@ -1527,8 +1527,6 @@ static void change_port_settings(struct tty_struct *tty,
struct usb_serial *serial; struct usb_serial *serial;
int baud; int baud;
unsigned cflag; unsigned cflag;
unsigned iflag;
__u8 mask = 0xff;
__u8 lData; __u8 lData;
__u8 lParity; __u8 lParity;
__u8 lStop; __u8 lStop;
@ -1552,23 +1550,19 @@ static void change_port_settings(struct tty_struct *tty,
lParity = 0x00; /* No parity */ lParity = 0x00; /* No parity */
cflag = tty->termios.c_cflag; cflag = tty->termios.c_cflag;
iflag = tty->termios.c_iflag;
/* Change the number of bits */ /* Change the number of bits */
switch (cflag & CSIZE) { switch (cflag & CSIZE) {
case CS5: case CS5:
lData = UART_LCR_WLEN5; lData = UART_LCR_WLEN5;
mask = 0x1f;
break; break;
case CS6: case CS6:
lData = UART_LCR_WLEN6; lData = UART_LCR_WLEN6;
mask = 0x3f;
break; break;
case CS7: case CS7:
lData = UART_LCR_WLEN7; lData = UART_LCR_WLEN7;
mask = 0x7f;
break; break;
default: default:
case CS8: case CS8:
@ -1686,11 +1680,8 @@ static void mos7720_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios) struct usb_serial_port *port, struct ktermios *old_termios)
{ {
int status; int status;
struct usb_serial *serial;
struct moschip_port *mos7720_port; struct moschip_port *mos7720_port;
serial = port->serial;
mos7720_port = usb_get_serial_port_data(port); mos7720_port = usb_get_serial_port_data(port);
if (mos7720_port == NULL) if (mos7720_port == NULL)