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authorJohan Hovold <johan@kernel.org>2018-05-21 13:08:44 +0200
committerJohan Hovold <johan@kernel.org>2018-05-22 10:08:05 +0200
commit7b0c6b38c4f9f9736ccd41363b3cfd7143e1f823 (patch)
tree156c532f1176791fe7e09e51f61a2c473c327e91 /include/linux/tty.h
parentdf1cd63d6d112e4a1402166dacc411ccca9b09ac (diff)
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tty: add missing const to termios hw-change helper
Add missing const qualifiers to the parameters of the termios hw-change helper, which is used by a few USB serial drivers. This specifically allows the pl2303 driver to use const arguments in one of its helper as well. Cc: Jiri Slaby <jslaby@suse.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'include/linux/tty.h')
-rw-r--r--include/linux/tty.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 1dd587ba6d88..955cd0c93d84 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -527,7 +527,7 @@ static inline speed_t tty_get_baud_rate(struct tty_struct *tty)
}
extern void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old);
-extern int tty_termios_hw_change(struct ktermios *a, struct ktermios *b);
+extern int tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b);
extern int tty_set_termios(struct tty_struct *tty, struct ktermios *kt);
extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *);