aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/serial/ftdi_sio.c
diff options
context:
space:
mode:
authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2022-08-16 14:57:38 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-08-30 14:22:35 +0200
commitf6d47fe5921a6d3f5a1a3d0b9a3dd34b8e295722 (patch)
tree1b8a7083e38b00f0e39ed00c8acd031c72f67866 /drivers/usb/serial/ftdi_sio.c
parentserial: Make ->set_termios() old ktermios const (diff)
downloadlinux-dev-f6d47fe5921a6d3f5a1a3d0b9a3dd34b8e295722.tar.xz
linux-dev-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/ftdi_sio.c')
-rw-r--r--drivers/usb/serial/ftdi_sio.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index d5a3986dfee7..3173316cb06b 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1087,7 +1087,8 @@ static void ftdi_process_read_urb(struct urb *urb);
static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
void *dest, size_t size);
static void ftdi_set_termios(struct tty_struct *tty,
- struct usb_serial_port *port, struct ktermios *old);
+ struct usb_serial_port *port,
+ const struct ktermios *old_termios);
static int ftdi_tiocmget(struct tty_struct *tty);
static int ftdi_tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear);
@@ -2638,7 +2639,8 @@ static bool ftdi_tx_empty(struct usb_serial_port *port)
* WARNING: set_termios calls this with old_termios in kernel space
*/
static void ftdi_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 usb_device *dev = port->serial->dev;
struct device *ddev = &port->dev;