On Tue, 21 Nov 2023, Jiri Slaby (SUSE) wrote:
> Both tty_kref_get() and tty_get_baud_rate() note about locking in their
> Return kernel-doc clause. Extract this info into a separate "Locking"
> paragraph -- the same as we do for other tty functions.
>
> Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>
> Suggested-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
> ---
> include/linux/tty.h | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/include/linux/tty.h b/include/linux/tty.h
> index 4b6340ac2af2..7625fc98fef3 100644
> --- a/include/linux/tty.h
> +++ b/include/linux/tty.h
> @@ -393,8 +393,10 @@ extern const struct class tty_class;
> * tty_kref_get - get a tty reference
> * @tty: tty device
> *
> - * Returns: a new reference to a tty object. The caller must hold sufficient
> - * locks/counts to ensure that their existing reference cannot go away
> + * Returns: a new reference to a tty object
> + *
> + * Locking: The caller must hold sufficient locks/counts to ensure that their
> + * existing reference cannot go away.
Just noting this is a bit vaguely worded (but so is the original).
> */
> static inline struct tty_struct *tty_kref_get(struct tty_struct *tty)
> {
> @@ -436,10 +438,10 @@ void tty_encode_baud_rate(struct tty_struct *tty, speed_t ibaud,
> * tty_get_baud_rate - get tty bit rates
> * @tty: tty to query
> *
> - * Returns: the baud rate as an integer for this terminal. The termios lock
> - * must be held by the caller and the terminal bit flags may be updated.
> + * Returns: the baud rate as an integer for this terminal
> *
> - * Locking: none
> + * Locking: The termios lock must be held by the caller and the terminal bit
> + * flags may be updated.
I don't think the second part about the flags really belongs here, I'd
keep it the description.
Other than that,
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
--
i.
