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From: Sagi Grimberg <sagi@grimberg.me>
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Date: Thu, 24 Oct 2019 09:55:58 -0700
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Subject: [PATCH] nvmet: fill discovery controller sn, fr and mn correctly
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Git-commit: d4b3a1741130dfc812b0825db4cb1c61032da183
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Patch-mainline: v5.5-rc1
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References: bsc#1169045
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Discovery controllers need this information as well.
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Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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Signed-off-by: Keith Busch <kbusch@kernel.org>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Acked-by: Hannes Reinecke <hare@suse.com>
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---
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drivers/nvme/target/discovery.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c
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index 7a868c3e8e95..0c2274b21e15 100644
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--- a/drivers/nvme/target/discovery.c
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+++ b/drivers/nvme/target/discovery.c
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@@ -241,6 +241,7 @@ static void nvmet_execute_disc_identify(struct nvmet_req *req)
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{
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struct nvmet_ctrl *ctrl = req->sq->ctrl;
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struct nvme_id_ctrl *id;
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+ const char model[] = "Linux";
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u16 status = 0;
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if (!nvmet_check_data_len(req, NVME_IDENTIFY_DATA_SIZE))
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@@ -258,8 +259,13 @@ static void nvmet_execute_disc_identify(struct nvmet_req *req)
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goto out;
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}
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+ memset(id->sn, ' ', sizeof(id->sn));
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+ bin2hex(id->sn, &ctrl->subsys->serial,
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+ min(sizeof(ctrl->subsys->serial), sizeof(id->sn) / 2));
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memset(id->fr, ' ', sizeof(id->fr));
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- strncpy((char *)id->fr, UTS_RELEASE, sizeof(id->fr));
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+ memcpy_and_pad(id->mn, sizeof(id->mn), model, sizeof(model) - 1, ' ');
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+ memcpy_and_pad(id->fr, sizeof(id->fr),
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+ UTS_RELEASE, strlen(UTS_RELEASE), ' ');
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/* no limit on data transfer sizes for now */
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id->mdts = 0;
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--
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2.16.4
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