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Date:   Thu, 21 May 2020 19:42:56 +0800 (GMT+08:00)
To:     "Dan Carpenter" <>
        "Greg Kroah-Hartman" <>,,
        "Jonathan Hunter" <>,
        "Thierry Reding" <>,, "Dmitry Osipenko" <>,
        "Mauro Carvalho Chehab" <>,
Subject: Re: Re: [PATCH] [v2] media: staging: tegra-vde: fix runtime pm
 imbalance on error

We need to make sure if pm_runtime_get_sync() is designed with
such behavior before modifying it.  

I received a response from Rafael when I commited a similar patch:
It seems that this behavior is intentional and needs to be kept.


&quot;Dan Carpenter&quot; &lt;;写道:
> On Thu, May 21, 2020 at 02:27:45PM +0800, Dinghao Liu wrote:
> > pm_runtime_get_sync() increments the runtime PM usage counter even
> > the call returns an error code. Thus a pairing decrement is needed
> > on the error handling path to keep the counter balanced.
> > 
> > Signed-off-by: Dinghao Liu <>
> Let's stop working around the bug in pm_runtime_get_sync() and write
> a replacement for it instead.
> regards,
> dan carpenter

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