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nvmet-tcp: fix maxh2cdata icresp parameter

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commit 9cda34e37489244a8c8628617e24b2dbc8a8edad upstream.

MAXH2CDATA is not zero based. Also no reason to limit ourselves to
1M transfers as we can do more easily. Make this an arbitrary limit
of 16M.

Reported-by: Wenhua Liu <liuw@vmware.com>
Cc: stable@vger.kernel.org # v5.0+
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sagi Grimberg 2020-02-25 16:42:27 -08:00 committed by Greg Kroah-Hartman
parent b3c7227ad4
commit 0eb4d8b985
1 changed files with 1 additions and 1 deletions
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2
drivers/nvme/target/tcp.c
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@ -794,7 +794,7 @@ static int nvmet_tcp_handle_icreq(struct nvmet_tcp_queue *queue)
icresp->hdr.pdo = 0;
icresp->hdr.plen = cpu_to_le32(icresp->hdr.hlen);
icresp->pfv = cpu_to_le16(NVME_TCP_PFV_1_0);
icresp->maxdata = cpu_to_le32(0xffff); /* FIXME: support r2t */
icresp->maxdata = cpu_to_le32(0x400000); /* 16M arbitrary limit */
icresp->cpda = 0;
if (queue->hdr_digest)
icresp->digest |= NVME_TCP_HDR_DIGEST_ENABLE;