From: Sagi Grimberg <sagi@grimberg.me>
Date: Wed, 24 Apr 2019 18:53:16 +0000 (-0700)
Subject: nvmet-tcp: don't fail maxr2t greater than 1
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=569b3d3db1aac8586a16df1745c9e5a99ff47253;p=openwrt%2Fstaging%2Fblogic.git

nvmet-tcp: don't fail maxr2t greater than 1

The host may support it, but nothing prevents us from
sending a single r2t at a time like we do anyways.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 17cf137dc88c..69b83fa0c76c 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -774,12 +774,6 @@ static int nvmet_tcp_handle_icreq(struct nvmet_tcp_queue *queue)
 		return -EPROTO;
 	}
 
-	if (icreq->maxr2t != 0) {
-		pr_err("queue %d: unsupported maxr2t %d\n", queue->idx,
-			le32_to_cpu(icreq->maxr2t) + 1);
-		return -EPROTO;
-	}
-
 	queue->hdr_digest = !!(icreq->digest & NVME_TCP_HDR_DIGEST_ENABLE);
 	queue->data_digest = !!(icreq->digest & NVME_TCP_DATA_DIGEST_ENABLE);
 	if (queue->hdr_digest || queue->data_digest) {