Commit b8b8cd01 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

nvme: lift the check for an unallocated namespace into nvme_identify_ns 



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

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarKeith Busch <kbusch@kernel.org>
Reviewed-by: default avatarChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
parent 81382f17

drivers/nvme/host/core.c

+8 −9
Original line number Diff line number Diff line
@@ -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;

CRA Git | Maintained and supported by SUSTech CRA and CCSE