From: Ilpo Järvinen Date: Tue, 16 Aug 2022 11:57:35 +0000 (+0300) Subject: tty: Make tty_termios_copy_hw() old ktermios const X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d15f89d997d995c9a0bf5be5de4c1c405886f21c;p=linux.git tty: Make tty_termios_copy_hw() old ktermios const There should be no reason to adjust old ktermios which is going to get discarded anyway. Reviewed-by: Andy Shevchenko Signed-off-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20220816115739.10928-5-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c index 2a76b330e1089..fc94988f0283c 100644 --- a/drivers/tty/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c @@ -249,7 +249,7 @@ static void unset_locked_termios(struct tty_struct *tty, struct ktermios *old) * in some cases where only minimal reconfiguration is supported */ -void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old) +void tty_termios_copy_hw(struct ktermios *new, const struct ktermios *old) { /* The bits a dumb device handles in software. Smart devices need to always provide a set_termios method */ diff --git a/include/linux/tty.h b/include/linux/tty.h index cf5ab26de73d0..ae41893f8653f 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -458,7 +458,7 @@ static inline speed_t tty_get_baud_rate(struct tty_struct *tty) unsigned char tty_get_char_size(unsigned int cflag); unsigned char tty_get_frame_size(unsigned int cflag); -void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old); +void tty_termios_copy_hw(struct ktermios *new, const struct ktermios *old); int tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b); int tty_set_termios(struct tty_struct *tty, struct ktermios *kt);