linux-kernel - Re: [PATCH v3 08/14] iommu/mediatek-v1: fix device leak on probe

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Message-ID: <9177efff-3ded-4ea8-844c-c1a2178c58d4@collabora.com>
Date: Mon, 20 Oct 2025 12:35:55 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Johan Hovold <johan@...nel.org>, Joerg Roedel <joro@...tes.org>,
 Will Deacon <will@...nel.org>
Cc: Robin Murphy <robin.murphy@....com>, Sven Peter <sven@...nel.org>,
 Janne Grunau <j@...nau.net>, Rob Clark <robin.clark@....qualcomm.com>,
 Marek Szyprowski <m.szyprowski@...sung.com>, Yong Wu <yong.wu@...iatek.com>,
 Matthias Brugger <matthias.bgg@...il.com>, Chen-Yu Tsai <wens@...e.org>,
 Thierry Reding <thierry.reding@...il.com>, Krishna Reddy
 <vdumpa@...dia.com>, iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
 stable@...r.kernel.org, Honghui Zhang <honghui.zhang@...iatek.com>
Subject: Re: [PATCH v3 08/14] iommu/mediatek-v1: fix device leak on
 probe_device()

Il 20/10/25 06:53, Johan Hovold ha scritto:
> Make sure to drop the reference taken to the iommu platform device when
> looking up its driver data during probe_device().
> 
> Fixes: b17336c55d89 ("iommu/mediatek: add support for mtk iommu generation one HW")
> Cc: stable@...r.kernel.org	# 4.8
> Cc: Honghui Zhang <honghui.zhang@...iatek.com>
> Acked-by: Robin Murphy <robin.murphy@....com>
> Reviewed-by: Yong Wu <yong.wu@...iatek.com>
> Signed-off-by: Johan Hovold <johan@...nel.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>