Re: [PATCH 1/2] ttyprintk: Fix wrong tty_unregister_driver() call in the error path

[Jean Delvare]

Le Wednesday 02 April 2014 Ã 12:29 +0200, Takashi Iwai a Ãcrit :
> ttyprintk driver calls tty_unregister_driver() wrongly in the error
> path of tty_register_driver().  Also, setting ttyprintk_driver to NULL
> is utterly superfluous, so let's get rid of it, too.
> 
> Reported-by: Jean Delvare <jdelvare@xxxxxxx>
> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
> ---
>  drivers/char/ttyprintk.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
> index daea84c41743..2a39c5790364 100644
> --- a/drivers/char/ttyprintk.c
> +++ b/drivers/char/ttyprintk.c
> @@ -210,10 +210,8 @@ static int __init ttyprintk_init(void)
>  	return 0;
>  
>  error:
> -	tty_unregister_driver(ttyprintk_driver);
>  	put_tty_driver(ttyprintk_driver);
>  	tty_port_destroy(&tpk_port.port);
> -	ttyprintk_driver = NULL;
>  	return ret;
>  }
>  device_initcall(ttyprintk_init);

Reviewed-by: Jean Delvare <jdelvare@xxxxxxx>

-- 
Jean Delvare
SUSE L3 Support

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