3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Keith Busch <[email protected]>

commit fb35e914b3f88cda9ee6f9d776910c35269c4ecf upstream.

If an NVMe device becomes ready but fails to create IO queues, the driver
creates a character device handle so the device can be managed. The
device reference count needs to be initialized before creating the
character device.

Signed-off-by: Keith Busch <[email protected]>
Signed-off-by: Matthew Wilcox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/block/nvme-core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -2464,6 +2464,7 @@ static int nvme_probe(struct pci_dev *pd
        if (result)
                goto release;
 
+       kref_init(&dev->kref);
        result = nvme_dev_start(dev);
        if (result) {
                if (result == -EBUSY)
@@ -2471,7 +2472,6 @@ static int nvme_probe(struct pci_dev *pd
                goto release_pools;
        }
 
-       kref_init(&dev->kref);
        result = nvme_dev_add(dev);
        if (result)
                goto shutdown;


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