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CVE-2022-50443

drm/rockchip: lvds: fix PM usage counter unbalance in poweron

EPSS 0.1%
In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: lvds: fix PM usage counter unbalance in poweron pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. We fix it by replacing it with the newest pm_runtime_resume_and_get to keep usage counter balanced.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/110bf15825edf4f20bc4e56aba624297861b06abhttps://git.kernel.org/stable/c/12a9b4c4ebd9a0ba856370e088564af83cffd565https://git.kernel.org/stable/c/4dba27f1a14592ac4cf71c3bc1cc1fd05dea8015https://git.kernel.org/stable/c/589a911980b730feadb9c430bc0747a118b04dd8https://git.kernel.org/stable/c/f6ed73db390319b248b91a6325da1a48ad85e0d1