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

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Message-ID: <bde57b79-dc52-6fca-4efd-e8c7b1c57373@kernel.org>
Date:   Mon, 25 May 2020 10:40:12 +0200
From:   Sylwester Nawrocki <snawrocki@...nel.org>
To:     Dinghao Liu <dinghao.liu@....edu.cn>, kjlu@....edu
Cc:     linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Kukjin Kim <kgene@...nel.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org
Subject: Re: [PATCH] media: exynos4-is: Fix runtime PM imbalance in
 isp_video_open

On 5/24/20 05:34, 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.
> 
> Signed-off-by: Dinghao Liu<dinghao.liu@....edu.cn>

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