[PATCH 1/3] nvme-tcp: don't check blk_mq_tag_to_rq when receiving pdu data

[Christoph Hellwig]

> +++ b/drivers/nvme/host/tcp.c
> @@ -699,12 +699,6 @@ static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb,
>  	struct request *rq;
>  
>  	rq = blk_mq_tag_to_rq(nvme_tcp_tagset(queue), pdu->command_id);
> -	if (!rq) {
> -		dev_err(queue->ctrl->ctrl.device,
> -			"queue %d tag %#x not found\n",
> -			nvme_tcp_queue_id(queue), pdu->command_id);
> -		return -ENOENT;
> -	}
>  	req = blk_mq_rq_to_pdu(rq);

We could simplify the initialization a bit now:

	struct request *rq =
		blk_mq_tag_to_rq(nvme_tcp_tagset(queue), pdu->command_id);
	struct nvme_tcp_request *req = blk_mq_rq_to_pdu(rq);