Greybus — Re: [PATCH 01/25] tty: Change return type to void

Hi.

On Tue, Sep 4, 2018 at 7:45 PM Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx> wrote:

Hello!

On 9/4/2018 5:44 AM, Jaejoong Kim wrote:

> Many drivers with tty use the tty_stand_install(). But, there is no
> need to handle the error, since it always returns 0. So, change the
> return type of tty_standard_install() and tty_port_install() to void
> type and remove unnecessary exception handling where we use these
> functions.
>
> Signed-off-by: Jaejoong Kim <climbbb.kim@xxxxxxxxx>
> ---
> drivers/tty/tty_io.c | 10 ++++++----
> drivers/tty/tty_port.c | 4 ++--
> include/linux/tty.h | 4 ++--
> 3 files changed, 10 insertions(+), 8 deletions(-)
>
[...]
> diff --git a/include/linux/tty.h b/include/linux/tty.h
> index c56e397..63cdac1 100644
> --- a/include/linux/tty.h
> +++ b/include/linux/tty.h
> @@ -556,7 +556,7 @@ extern struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx);
> extern void tty_release_struct(struct tty_struct *tty, int idx);
> extern int tty_release(struct inode *inode, struct file *filp);
> extern void tty_init_termios(struct tty_struct *tty);
> -extern int tty_standard_install(struct tty_driver *driver,
> +extern void tty_standard_install(struct tty_driver *driver,
> struct tty_struct *tty);
>
> extern struct mutex tty_mutex;
> @@ -688,7 +688,7 @@ extern int tty_port_close_start(struct tty_port *port,
> extern void tty_port_close_end(struct tty_port *port, struct tty_struct *tty);
> extern void tty_port_close(struct tty_port *port,
> struct tty_struct *tty, struct file *filp);
> -extern int tty_port_install(struct tty_port *port, struct tty_driver *driver,
> +extern void tty_port_install(struct tty_port *port, struct tty_driver *driver,
> struct tty_struct *tty);

You need to update all the callers in the same patch -- the kernel must
remain buildable after each patch but you seem to have spread that update
among a lot of patches..

OK. I will make several patches as one patch.

Jaejoong

[...]

MBR, Sergei