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SubjectRe: Re: [PATCH] media: staging: tegra-vde: fix runtime pm imbalance on error
On Thu, May 21, 2020 at 11:15 AM Dan Carpenter <dan.carpenter@oracle.com> wrote:
>
> On Thu, May 21, 2020 at 11:42:55AM +0800, dinghao.liu@zju.edu.cn wrote:
> > Hi, Dan,
> >
> > I agree the best solution is to fix __pm_runtime_resume(). But there are also
> > many cases that assume pm_runtime_get_sync() will change PM usage
> > counter on error. According to my static analysis results, the number of these
> > "right" cases are larger. Adjusting __pm_runtime_resume() directly will introduce
> > more new bugs. Therefore I think we should resolve the "bug" cases individually.
> >
>
> That's why I was saying that we may need to introduce a new replacement
> function for pm_runtime_get_sync() that works as expected.
>
> There is no reason why we have to live with the old behavior.

What exactly do you mean by "the old behavior"?

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