Commit 0ec84df4 authored Mar 08, 2021 by Chaitanya Kulkarni Committed by Christoph Hellwig Mar 11, 2021

nvme-core: check ctrl css before setting up zns



Ensure multiple Command Sets are supported before starting to setup a
ZNS namespace.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
[hch: move the check around a bit]
Signed-off-by: Christoph Hellwig <hch@lst.de>

parent f20ef34d

drivers/nvme/host/core.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -4096,6 +4096,12 @@ static void nvme_validate_or_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
		nsid);
		break;
		}
		if (!nvme_multi_css(ctrl)) {
		dev_warn(ctrl->device,
		"command set not reported for nsid: %d\n",
		ns->head->ns_id);
		break;
		}
		nvme_alloc_ns(ctrl, nsid, &ids);
		break;
		default: