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SubjectRe: [PATCH] drm/tegra: fix reference leak when pm_runtime_get_sync fails
On Tue, Dec 01, 2020 at 08:56:31PM +0800, Qinglang Miao wrote:
> The PM reference count is not expected to be incremented on
> return in these tegra functions.
>
> However, pm_runtime_get_sync will increment the PM reference
> count even failed. Forgetting to putting operation will result
> in a reference leak here.
>
> Replace it with pm_runtime_resume_and_get to keep usage
> counter balanced.
>
> Fixes: fd67e9c6ed5a ("drm/tegra: Do not implement runtime PM")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
> ---
> drivers/gpu/drm/tegra/dc.c | 2 +-
> drivers/gpu/drm/tegra/dsi.c | 2 +-
> drivers/gpu/drm/tegra/hdmi.c | 2 +-
> drivers/gpu/drm/tegra/hub.c | 2 +-
> drivers/gpu/drm/tegra/sor.c | 2 +-
> drivers/gpu/drm/tegra/vic.c | 2 +-
> 6 files changed, 6 insertions(+), 6 deletions(-)

Applied, thanks.

Thierry
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