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

From: Greg Kroah-Hartman
Date: Fri May 21 2021 - 08:41:01 EST


On Tue, May 18, 2021 at 07:21:26PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxx>
> ---
> 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