Re: Re: [PATCH] media: staging: tegra-vde: fix runtime pm imbalance on error
From: Dan Carpenter
Date: Thu May 21 2020 - 05:15:38 EST
On Thu, May 21, 2020 at 11:42:55AM +0800, dinghao.liu@xxxxxxxxxx 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.
regards,
dan carpenter