linux-kernel - [PATCH v2 0/2] ASoC: mediatek: fix use-after-free in driver remove path

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Date:   Thu, 1 Jun 2023 11:33:16 +0800
From:   Trevor Wu <trevor.wu@...iatek.com>
To:     <broonie@...nel.org>, <lgirdwood@...il.com>, <tiwai@...e.com>,
        <perex@...ex.cz>, <matthias.bgg@...il.com>,
        <angelogioacchino.delregno@...labora.com>
CC:     <trevor.wu@...iatek.com>, <dianders@...omium.org>,
        <alsa-devel@...a-project.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 0/2] ASoC: mediatek: fix use-after-free in driver remove path

These patches concern modifications made in mt8186[1]. The clock
unregistration mechanism used in mt8188 and mt8195 is similar with
mt8186, resulting in the same problem existing within the driver.
Therefore, the solution has also been applied to these two platforms.

[1] https://lore.kernel.org/all/20230511092437.1.I31cceffc8c45bb1af16eb613e197b3df92cdc19e@changeid/

Changes since v1:
  - remove unnecessary cast

Trevor Wu (2):
  ASoC: mediatek: mt8188: fix use-after-free in driver remove path
  ASoC: mediatek: mt8195: fix use-after-free in driver remove path

 sound/soc/mediatek/mt8188/mt8188-afe-clk.c    |  7 ---
 sound/soc/mediatek/mt8188/mt8188-afe-clk.h    |  1 -
 sound/soc/mediatek/mt8188/mt8188-afe-pcm.c    |  4 --
 sound/soc/mediatek/mt8188/mt8188-audsys-clk.c | 47 ++++++++++---------
 sound/soc/mediatek/mt8188/mt8188-audsys-clk.h |  1 -
 sound/soc/mediatek/mt8195/mt8195-afe-clk.c    |  5 --
 sound/soc/mediatek/mt8195/mt8195-afe-clk.h    |  1 -
 sound/soc/mediatek/mt8195/mt8195-afe-pcm.c    |  4 --
 sound/soc/mediatek/mt8195/mt8195-audsys-clk.c | 47 ++++++++++---------
 sound/soc/mediatek/mt8195/mt8195-audsys-clk.h |  1 -
 10 files changed, 48 insertions(+), 70 deletions(-)

-- 
2.18.0