y...@hpe.com:

550 5.1.1 User Unknown

You are sending e-mails/patches from a non-existant address?

On 14. 01. 19, 7:56, y...@hpe.com wrote:
> From: Li RongQing <lirongq...@baidu.com>
> 
> when fail to open tty, tty is not in open status and not need
> to call close

But tty drivers are special and expect close even on failed open, right?
See tty_open.

> Signed-off-by: Li RongQing <lirongq...@baidu.com>
> ---
>  drivers/tty/serdev/serdev-ttyport.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/tty/serdev/serdev-ttyport.c 
> b/drivers/tty/serdev/serdev-ttyport.c
> index fa1672993b4c..bcc1e27d00de 100644
> --- a/drivers/tty/serdev/serdev-ttyport.c
> +++ b/drivers/tty/serdev/serdev-ttyport.c
> @@ -121,7 +121,7 @@ static int ttyport_open(struct serdev_controller *ctrl)
>  
>       ret = tty->ops->open(serport->tty, NULL);
>       if (ret)
> -             goto err_close;
> +             goto err_unlock;
>  
>       tty_unlock(serport->tty);
>  
> @@ -142,8 +142,6 @@ static int ttyport_open(struct serdev_controller *ctrl)
>  
>       return 0;
>  
> -err_close:
> -     tty->ops->close(tty, NULL);
>  err_unlock:
>       tty_unlock(tty);
>       tty_release_struct(tty, serport->tty_idx);
> 

thanks,
-- 
js
suse labs

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