linux-kernel - Re: [PATCH] drm/mediatek: fix device leaks at bind

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Message-ID: <CAAOTY_-CijzQqrRUf_=cQbTUSybN3GT46q0vx1139mmZub_OfQ@mail.gmail.com>
Date: Fri, 29 Aug 2025 07:51:23 +0800
From: Chun-Kuang Hu <chunkuang.hu@...nel.org>
To: Johan Hovold <johan@...nel.org>
Cc: Chun-Kuang Hu <chunkuang.hu@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, 
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, dri-devel@...ts.freedesktop.org, 
	linux-mediatek@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, stable@...r.kernel.org, 
	"Nancy.Lin" <nancy.lin@...iatek.com>
Subject: Re: [PATCH] drm/mediatek: fix device leaks at bind

Hi, Johan:

Johan Hovold <johan@...nel.org> 於 2025年8月27日 週三 下午5:51寫道：
>
> On Tue, Jul 22, 2025 at 11:27:22AM +0200, Johan Hovold wrote:
> > Make sure to drop the references to the sibling platform devices and
> > their child drm devices taken by of_find_device_by_node() and
> > device_find_child() when initialising the driver data during bind().
> >
> > Fixes: 1ef7ed48356c ("drm/mediatek: Modify mediatek-drm for mt8195 multi mmsys support")
> > Cc: stable@...r.kernel.org    # 6.4
> > Cc: Nancy.Lin <nancy.lin@...iatek.com>
> > Signed-off-by: Johan Hovold <johan@...nel.org>
>
> Can this one be picked up?

Ma Ke has sent a similar patch [1] before you. And that patch fix more things.
I've already pick up the final version [2].

[1] https://patchwork.kernel.org/project/dri-devel/patch/20250718033226.3390054-1-make24@iscas.ac.cn/
[2] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/commit/?h=mediatek-drm-fixes-20250825&id=1f403699c40f0806a707a9a6eed3b8904224021a

Regards,
Chun-Kuang.

>
> Johan