diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-02-24 17:46:50 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2022-02-28 13:45:07 +0200 |
| commit | e2d77d2e11c4f1e70a1a24cc8fe63ff3dc9b53ef (patch) | |
| tree | b94faeb1aafee5d515978cd3eb371cb1e9f6199b /drivers/nvme | |
| parent | e2724cb9f0c406b8fb66efd3aa9e8b3edfd8d5c8 (diff) | |
nvme: check for duplicate identifiers earlier
Lift the check for duplicate identifiers into nvme_init_ns_head, which
avoids pointless error unwinding in case they don't match, and also
matches where we check identifier validity for the multipath case.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/core.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 3e6ac985b24f..cece987ba169 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3782,13 +3782,6 @@ static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl, head->ids = *ids; kref_init(&head->ref); - ret = nvme_subsys_check_duplicate_ids(ctrl->subsys, &head->ids); - if (ret) { - dev_err(ctrl->device, - "duplicate IDs for nsid %d\n", nsid); - goto out_cleanup_srcu; - } - if (head->ids.csi) { ret = nvme_get_effects_log(ctrl, head->ids.csi, &head->effects); if (ret) @@ -3827,6 +3820,12 @@ static int nvme_init_ns_head(struct nvme_ns *ns, unsigned nsid, mutex_lock(&ctrl->subsys->lock); head = nvme_find_ns_head(ctrl->subsys, nsid); if (!head) { + ret = nvme_subsys_check_duplicate_ids(ctrl->subsys, ids); + if (ret) { + dev_err(ctrl->device, + "duplicate IDs for nsid %d\n", nsid); + goto out_unlock; + } head = nvme_alloc_ns_head(ctrl, nsid, ids); if (IS_ERR(head)) { ret = PTR_ERR(head); |