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media: atomisp: Fix runtime PM imbalance in atomisp_pci_probe

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[ Upstream commit 672fe1cf14 ]

When hmm_pool_register() fails, a pairing PM usage counter
increment is needed to keep the counter balanced. It's the
same for the following error paths.

Link: https://lore.kernel.org/linux-media/20210408081850.24278-1-dinghao.liu@zju.edu.cn
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dinghao Liu 2021-04-08 10:18:43 +02:00 committed by Greg Kroah-Hartman
parent 9a85b9e376
commit e5cecb9105
1 changed files with 1 additions and 0 deletions
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1
drivers/staging/media/atomisp/pci/atomisp_v4l2.c
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@ -1815,6 +1815,7 @@ static int atomisp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
hmm_cleanup(); hmm_cleanup();
hmm_pool_unregister(HMM_POOL_TYPE_RESERVED); hmm_pool_unregister(HMM_POOL_TYPE_RESERVED);
hmm_pool_fail: hmm_pool_fail:
pm_runtime_get_noresume(&pdev->dev);
destroy_workqueue(isp->wdt_work_queue); destroy_workqueue(isp->wdt_work_queue);
wdt_work_queue_fail: wdt_work_queue_fail:
atomisp_acc_cleanup(isp); atomisp_acc_cleanup(isp);