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alistair23-linux
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nvme-pci: Fix an error handling path in 'nvme_probe()' 

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>
hifive-unleashed-5.1
Christophe JAILLET 2017-07-16 10:39:03 +02:00 committed by Jens Axboe
parent 86eea2895d
commit b00c9b7aa0
1 changed files with 4 additions and 3 deletions
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7
drivers/nvme/host/pci.c
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@ -2299,7 +2299,7 @@ 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->ctrl.reset_work, nvme_reset_work);
INIT_WORK(&dev->remove_work, nvme_remove_dead_ctrl_work);
@ -2308,7 +2308,7 @@ 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;
quirks |= check_dell_samsung_bug(pdev);
@ -2325,9 +2325,10 @@ 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);