linux-kernel - Re: [PATCH][next] ttyprintk: remove redundant initialization of variable i

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Date:   Fri, 21 May 2021 14:40:48 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Colin King <colin.king@...onical.com>
Cc:     Arnd Bergmann <arnd@...db.de>, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] ttyprintk: remove redundant initialization of
 variable i

On Tue, May 18, 2021 at 07:21:26PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The variable i 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>
> ---
>  drivers/char/ttyprintk.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
> index 219fa1382396..230b2c9b3e3c 100644
> --- a/drivers/char/ttyprintk.c
> +++ b/drivers/char/ttyprintk.c
> @@ -52,7 +52,7 @@ static void tpk_flush(void)
>  
>  static int tpk_printk(const unsigned char *buf, int count)
>  {
> -	int i = tpk_curr;
> +	int i;
>  
>  	for (i = 0; i < count; i++) {
>  		if (tpk_curr >= TPK_STR_SIZE) {
> -- 
> 2.31.1
> 

This is not ok for what is currently in linux-next :(

greg k-h