From: Chaitanya Kulkarni chaitanya.kulkarni@wdc.com
[ 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 --- drivers/nvme/host/core.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 28bfe5bbf769..e5cc92a6a16d 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4081,6 +4081,12 @@ 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: