linux-kernel - Re: [PATCH] tty: pty: remove redundant initialization of variable fd

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Date:   Fri, 14 May 2021 08:51:30 +0200
From:   Jiri Slaby <jirislaby@...nel.org>
To:     Colin King <colin.king@...onical.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tty: pty: remove redundant initialization of variable fd

On 14. 05. 21, 0:18, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The variable fd is being initialized with a value that is never
> read, it is being updated later on. The assignment is redundant and
> can be removed.
> 
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Reviewed-by: Jiri Slaby <jirislaby@...nel.org>

> ---
>   drivers/tty/pty.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
> index 9b5d4ae5d8f2..2251330e7e00 100644
> --- a/drivers/tty/pty.c
> +++ b/drivers/tty/pty.c
> @@ -626,7 +626,7 @@ static struct cdev ptmx_cdev;
>    */
>   int ptm_open_peer(struct file *master, struct tty_struct *tty, int flags)
>   {
> -	int fd = -1;
> +	int fd;
>   	struct file *filp;
>   	int retval = -EINVAL;
>   	struct path path;
> 


-- 
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