[PATCH] media: staging: tegra-vde: fix runtime pm imbalance on error

[Dan Carpenter]

On Thu, May 21, 2020 at 11:42:55AM +0800, dinghao.liu at 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.

regards,
dan carpenter