Re: [PATCH][next] bpf: devmap: remove redundant assignment of variable drops

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On Thu, May 27, 2021 at 03:36:37PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> The variable drops is being assigned a value that is never
> read, it is being updated later on. The assignment is redundant and
> can be removed.

Acked-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>

Would help if you would have CCed me given the fact that hour ago I
confirmed that it could be removed :p but no big deal.

Thanks!

> 
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
>  kernel/bpf/devmap.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
> index f9148daab0e3..fe3873b5d13d 100644
> --- a/kernel/bpf/devmap.c
> +++ b/kernel/bpf/devmap.c
> @@ -388,8 +388,6 @@ static void bq_xmit_all(struct xdp_dev_bulk_queue *bq, u32 flags)
>  		to_send = dev_map_bpf_prog_run(bq->xdp_prog, bq->q, cnt, dev);
>  		if (!to_send)
>  			goto out;
> -
> -		drops = cnt - to_send;
>  	}
>  
>  	sent = dev->netdev_ops->ndo_xdp_xmit(dev, to_send, bq->q, flags);
> -- 
> 2.31.1
> 



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