diff options
| 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/ftdi_sio.c | |
| parent | bec5b814d46c2a704c3c8148752e62a33e9fa6dc (diff) | |
| download | lwn-f6d47fe5921a6d3f5a1a3d0b9a3dd34b8e295722.tar.gz lwn-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.c | 6 |
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; |