linux-kernel - Re: [PATCH -next] media: sunxi: sun8i-rotate: fix PM reference leak in rotate_start

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Message-ID: <2001311.PWddzm8SjH@kista>
Date:   Sun, 11 Apr 2021 20:16:24 +0200
From:   Jernej Škrabec <jernej.skrabec@...l.net>
To:     xiangyang3@...wei.com, Mauro Carvalho Chehab <mchehab@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Xiang Yang <xiangyang3@...wei.com>
Cc:     linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org, Hulk Robot <hulkci@...wei.com>
Subject: Re: [PATCH -next] media: sunxi: sun8i-rotate: fix PM reference leak in rotate_start_streaming()

Dne petek, 09. april 2021 ob 08:46:58 CEST je Xiang Yang napisal(a):
> pm_runtime_get_sync will increment pm usage counter even it failed.
> Forgetting to putting operation will result in reference leak here.
> Fix it by replacing it with pm_runtime_resume_and_get to keep usage
> counter balanced.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Xiang Yang <xiangyang3@...wei.com>

Acked-by: Jernej Skrabec <jernej.skrabec@...l.net>

Best regards,
Jernej