[PATCH 2/2] ASoC: mediatek: mt8195: fix use-after-free in driver remove path

Doug Anderson dianders at chromium.org
Wed May 31 16:47:59 PDT 2023


Hi,

On Tue, May 30, 2023 at 12:25 AM Trevor Wu <trevor.wu at mediatek.com> wrote:
>
> diff --git a/sound/soc/mediatek/mt8195/mt8195-audsys-clk.c b/sound/soc/mediatek/mt8195/mt8195-audsys-clk.c
> index e0670e0dbd5b..09bd1a020421 100644
> --- a/sound/soc/mediatek/mt8195/mt8195-audsys-clk.c
> +++ b/sound/soc/mediatek/mt8195/mt8195-audsys-clk.c
> @@ -148,6 +148,29 @@ static const struct afe_gate aud_clks[CLK_AUD_NR_CLK] = {
>         GATE_AUD6(CLK_AUD_GASRC19, "aud_gasrc19", "top_asm_h", 19),
>  };
>
> +static void mt8195_audsys_clk_unregister(void *data)
> +{
> +       struct mtk_base_afe *afe = (struct mtk_base_afe *)data;

Same as in patch #1, the above cast isn't necessary. Other than that:

Reviewed-by: Douglas Anderson <dianders at chromium.org>



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