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

From: Jens Axboe
Date: Tue Jun 22 2021 - 17:15:50 EST


On Jun 22, 2021, at 3:14 PM, Bart Van Assche <bvanassche@xxxxxxx> wrote:
>
> 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>

Assuming this is fallout from the recent series, we should add a fixes tag to it.


Jens Axboe