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nvme: check return value of init_srcu_struct function
Also add error flow in case srcu initialization function fails. Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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1 changed files with 4 additions and 1 deletions
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@ -2832,7 +2832,9 @@ static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl,
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goto out_free_head;
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head->instance = ret;
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INIT_LIST_HEAD(&head->list);
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init_srcu_struct(&head->srcu);
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ret = init_srcu_struct(&head->srcu);
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if (ret)
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goto out_ida_remove;
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head->subsys = ctrl->subsys;
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head->ns_id = nsid;
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kref_init(&head->ref);
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@ -2854,6 +2856,7 @@ static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl,
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return head;
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out_cleanup_srcu:
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cleanup_srcu_struct(&head->srcu);
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out_ida_remove:
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ida_simple_remove(&ctrl->subsys->ns_ida, head->instance);
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out_free_head:
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kfree(head);
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