linux-kernel - Re: [PATCH v2] memory: mtk-smi: Fix a null dereference for the ostd

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Date:   Mon, 15 Nov 2021 15:10:25 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Yong Wu <yong.wu@...iatek.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        anan.sun@...iatek.com, youlin.pei@...iatek.com,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>, yi.kuo@...iatek.com,
        Will Deacon <will@...nel.org>, Joerg Roedel <joro@...tes.org>,
        Tomasz Figa <tfiga@...omium.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        iommu@...ts.linux-foundation.org, anthony.huang@...iatek.com,
        Ikjoon Jang <ikjn@...omium.org>,
        Robin Murphy <robin.murphy@....com>,
        srv_heupstream@...iatek.com, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2] memory: mtk-smi: Fix a null dereference for the ostd

On Mon, 8 Nov 2021 16:24:29 +0800, Yong Wu wrote:
> We add the ostd setting for mt8195. It introduces a KE for the
> previous SoC which doesn't have ostd setting. This is the log:
> 
> Unable to handle kernel NULL pointer dereference at virtual address
> 0000000000000080
> ...
> pc : mtk_smi_larb_config_port_gen2_general+0x64/0x130
> lr : mtk_smi_larb_resume+0x54/0x98
> ...
> Call trace:
>  mtk_smi_larb_config_port_gen2_general+0x64/0x130
>  pm_generic_runtime_resume+0x2c/0x48
>  __genpd_runtime_resume+0x30/0xa8
>  genpd_runtime_resume+0x94/0x2c8
>  __rpm_callback+0x44/0x150
>  rpm_callback+0x6c/0x78
>  rpm_resume+0x310/0x558
>  __pm_runtime_resume+0x3c/0x88
> 
> [...]

Applied, thanks!

[1/1] memory: mtk-smi: Fix a null dereference for the ostd
      commit: 8c5ba21c16bd7f8e23b8740dead6eaf164b8caa0

Best regards,
-- 
Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>