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nvme-pci: Fix an error handling path in 'nvme_probe()'

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commit b00c9b7aa0 upstream.

Release resources in the correct order in order not to miss a
'put_device()' if 'nvme_dev_map()' fails.

Fixes: b00a726a9f ("NVMe: Don't unmap controller registers on reset")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christophe JAILLET
2017-07-16 10:39:03 +02:00
committed by Chris
parent 370477531d
commit 490dc81e29
1 changed files with 4 additions and 3 deletions
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7
drivers/nvme/host/pci.c
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@@ -1927,7 +1927,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
result = nvme_dev_map(dev);
if (result)
goto free;
goto put_pci;
INIT_WORK(&dev->reset_work, nvme_reset_work);
INIT_WORK(&dev->remove_work, nvme_remove_dead_ctrl_work);
@@ -1938,7 +1938,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
result = nvme_setup_prp_pools(dev);
if (result)
goto put_pci;
goto unmap;
result = nvme_init_ctrl(&dev->ctrl, &pdev->dev, &nvme_pci_ctrl_ops,
id->driver_data);
@@ -1953,9 +1953,10 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
release_pools:
nvme_release_prp_pools(dev);
unmap:
nvme_dev_unmap(dev);
put_pci:
put_device(dev->dev);
nvme_dev_unmap(dev);
free:
kfree(dev->queues);
kfree(dev);