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nvme: lift the check for an unallocated namespace into nvme_identify_ns

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Move the check from the two callers into the common helper.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
This commit is contained in:
Christoph Hellwig 2020-09-28 12:33:19 +02:00
parent 81382f1730
commit b8b8cd0133
1 changed files with 8 additions and 9 deletions
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17
drivers/nvme/host/core.c
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@ -1381,9 +1381,16 @@ static int nvme_identify_ns(struct nvme_ctrl *ctrl,
error = nvme_submit_sync_cmd(ctrl->admin_q, &c, *id, sizeof(**id));
if (error) {
dev_warn(ctrl->device, "Identify namespace failed (%d)\n", error);
kfree(*id);
goto out_free_id;
}
error = -ENODEV;
if ((*id)->ncap == 0) /* namespace not allocated or attached */
goto out_free_id;
return 0;
out_free_id:
kfree(*id);
return error;
}
@ -2169,11 +2176,6 @@ static int nvme_validate_ns(struct nvme_ns *ns)
if (ret)
goto out;
if (id->ncap == 0) {
ret = -ENODEV;
goto free_id;
}
ret = nvme_report_ns_ids(ctrl, ns->head->ns_id, id, &ids);
if (ret)
goto free_id;
@ -3913,9 +3915,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
if (ret)
goto out_free_queue;
if (id->ncap == 0) /* no namespace (legacy quirk) */
goto out_free_id;
ret = nvme_init_ns_head(ns, nsid, id);
if (ret)
goto out_free_id;