linux-kernel - Re: [PATCH] media: exynos4-is: Fix runtime PM imbalance in fimc_is

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Message-ID: <7c5931a5-4355-be85-d61d-908afc8f7a19@kernel.org>
Date:   Mon, 25 May 2020 10:38:06 +0200
From:   Sylwester Nawrocki <snawrocki@...nel.org>
To:     Dinghao Liu <dinghao.liu@....edu.cn>, kjlu@....edu
Cc:     Kyungmin Park <kyungmin.park@...sung.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: exynos4-is: Fix runtime PM imbalance in
 fimc_is_probe

On 5/24/20 04:59, Dinghao Liu wrote:
> pm_runtime_get_sync() increments the runtime PM usage counter even
> when it returns an error code. Thus a pairing decrement is needed on
> the error handling path to keep the counter balanced. For all error
> paths after pm_runtime_get_sync(), things are the same.
> 
> Signed-off-by: Dinghao Liu <dinghao.liu@....edu.cn>

Reviewed-by: Sylwester Nawrocki <s.nawrocki@...sung.com>