Re: [PATCH][next] block/mq-deadline: remove redundant assignment of variable ret

From: Bart Van Assche
Date: Tue Jun 22 2021 - 17:14:59 EST


On 6/22/21 9:17 AM, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Variable ret is being assigned a value at the end of the function
> and the value is never read. The assignment is redundant and can
> be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> block/mq-deadline-main.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/block/mq-deadline-main.c b/block/mq-deadline-main.c
> index 4815e536091f..e3091d922ba2 100644
> --- a/block/mq-deadline-main.c
> +++ b/block/mq-deadline-main.c
> @@ -639,7 +639,6 @@ static int dd_init_sched(struct request_queue *q, struct elevator_type *e)
> if (ret)
> goto free_stats;
>
> - ret = 0;
> q->elevator = eq;
> return 0;

Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>