linux-kernel - Re: [PATCH 2/2] media: rkisp1: Fix memory leaks in rkisp1_isp

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Date:   Wed, 22 Nov 2023 16:15:21 +0100
From:   Tommaso Merciai <tomm.merciai@...il.com>
To:     Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Cc:     Dafna Hirschfeld <dafna@...tmail.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Jacob Chen <jacob2.chen@...k-chips.com>,
        Yichong Zhong <zyc@...k-chips.com>,
        Shunqian Zheng <zhengsq@...k-chips.com>,
        Paul Elder <paul.elder@...asonboard.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Kieran Bingham <kieran.bingham@...asonboard.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Eddie Cai <eddie.cai.linux@...il.com>,
        Allon Huang <allon.huang@...k-chips.com>,
        Jeffy Chen <jeffy.chen@...k-chips.com>,
        linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] media: rkisp1: Fix memory leaks in
 rkisp1_isp_unregister()

Hi Tomi,

On Wed, Nov 22, 2023 at 04:42:23PM +0200, Tomi Valkeinen wrote:
> Add missing call to v4l2_subdev_cleanup() to fix memory leak.
> 
> Fixes: 2cce0a369dbd ("media: rkisp1: isp: Use V4L2 subdev active state")
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
> ---
>  drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> index 88ca8b2283b7..45d1ab96fc6e 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> @@ -933,6 +933,7 @@ void rkisp1_isp_unregister(struct rkisp1_device *rkisp1)
>  		return;
>  
>  	v4l2_device_unregister_subdev(&isp->sd);
> +	v4l2_subdev_cleanup(&isp->sd);
>  	media_entity_cleanup(&isp->sd.entity);
>  }
>  
> 
> -- 
> 2.34.1
> 
> 

Reviewed-by: Tommaso Merciai <tomm.merciai@...il.com>

Thanks & Regards,
Tommaso