nvme-core: check ctrl css before setting up zns

[ Upstream commit 0ec84df4953bd42c6583a555773f1d4996a061eb ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chaitanya Kulkarni 2021-03-08 20:58:21 -08:00 committed by Greg Kroah-Hartman
parent 9083dc773d
commit c7b3f6db97

View File

@ -4019,6 +4019,12 @@ 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: