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| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-08-16 14:57:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-30 14:22:35 +0200 |
| commit | f6d47fe5921a6d3f5a1a3d0b9a3dd34b8e295722 (patch) | |
| tree | 1b8a7083e38b00f0e39ed00c8acd031c72f67866 /drivers/usb/serial/cp210x.c | |
| parent | bec5b814d46c2a704c3c8148752e62a33e9fa6dc (diff) | |
| download | linux-stable-f6d47fe5921a6d3f5a1a3d0b9a3dd34b8e295722.tar.gz linux-stable-f6d47fe5921a6d3f5a1a3d0b9a3dd34b8e295722.tar.bz2 linux-stable-f6d47fe5921a6d3f5a1a3d0b9a3dd34b8e295722.zip | |
usb: serial: Make ->set_termios() old ktermios const
There should be no reason to adjust old ktermios which is going to get
discarded anyway.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220816115739.10928-8-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/cp210x.c')
| -rw-r--r-- | drivers/usb/serial/cp210x.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index c374620a486f..bb39d40974cf 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -31,9 +31,9 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *); static void cp210x_close(struct usb_serial_port *); static void cp210x_change_speed(struct tty_struct *, struct usb_serial_port *, - struct ktermios *); + const struct ktermios *); static void cp210x_set_termios(struct tty_struct *, struct usb_serial_port *, - struct ktermios*); + const struct ktermios *); static bool cp210x_tx_empty(struct usb_serial_port *port); static int cp210x_tiocmget(struct tty_struct *); static int cp210x_tiocmset(struct tty_struct *, unsigned int, unsigned int); @@ -1039,7 +1039,8 @@ static speed_t cp210x_get_actual_rate(speed_t baud) * otherwise. */ static void cp210x_change_speed(struct tty_struct *tty, - struct usb_serial_port *port, struct ktermios *old_termios) + struct usb_serial_port *port, + const struct ktermios *old_termios) { struct usb_serial *serial = port->serial; struct cp210x_serial_private *priv = usb_get_serial_data(serial); @@ -1121,7 +1122,8 @@ static bool cp210x_termios_change(const struct ktermios *a, const struct ktermio } static void cp210x_set_flow_control(struct tty_struct *tty, - struct usb_serial_port *port, struct ktermios *old_termios) + struct usb_serial_port *port, + const struct ktermios *old_termios) { struct cp210x_serial_private *priv = usb_get_serial_data(port->serial); struct cp210x_port_private *port_priv = usb_get_serial_port_data(port); @@ -1231,7 +1233,8 @@ out_unlock: } static void cp210x_set_termios(struct tty_struct *tty, - struct usb_serial_port *port, struct ktermios *old_termios) + struct usb_serial_port *port, + const struct ktermios *old_termios) { struct cp210x_serial_private *priv = usb_get_serial_data(port->serial); u16 bits; |