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authorIlpo Järvinen <[email protected]>2022-08-16 11:57:39 +0000
committerGreg Kroah-Hartman <[email protected]>2022-08-30 12:22:35 +0000
commita8c11c1520347be74b02312d10ef686b01b525f1 (patch)
tree844ac1616819548ea62f687e6a97fcdd752f7738 /drivers/usb/class/cdc-acm.c
parentusb: serial: Make ->set_termios() old ktermios const (diff)
downloadkernel-a8c11c1520347be74b02312d10ef686b01b525f1.tar.gz
kernel-a8c11c1520347be74b02312d10ef686b01b525f1.zip
tty: 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 <[email protected]> Signed-off-by: Ilpo Järvinen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
-rw-r--r--drivers/usb/class/cdc-acm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 483bcb1213f7..46dbf907e4b5 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -51,7 +51,7 @@ static DEFINE_IDR(acm_minors);
static DEFINE_MUTEX(acm_minors_lock);
static void acm_tty_set_termios(struct tty_struct *tty,
- struct ktermios *termios_old);
+ const struct ktermios *termios_old);
/*
* acm_minors accessors
@@ -1049,7 +1049,7 @@ static int acm_tty_ioctl(struct tty_struct *tty,
}
static void acm_tty_set_termios(struct tty_struct *tty,
- struct ktermios *termios_old)
+ const struct ktermios *termios_old)
{
struct acm *acm = tty->driver_data;
struct ktermios *termios = &tty->termios;