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Date:   Tue, 18 Apr 2023 16:17:10 +0200
From:   Simon Horman <simon.horman@corigine.com>
To:     Naresh Kamboju <naresh.kamboju@linaro.org>
Cc:     open list <linux-kernel@vger.kernel.org>,
        lkft-triage@lists.linaro.org, llvm@lists.linux.dev,
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        "moderated list:ARM/Mediatek SoC..." 
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        Guillaume Ranquet <granquet@baylibre.com>,
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        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Netdev <netdev@vger.kernel.org>, chunfeng.yun@mediatek.com
Subject: Re: next: allmodconfig: phy-mtk-hdmi-mt8195.c:298:6: error: variable
 'ret' is uninitialized when used here [-Werror,-Wuninitialized]
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On Fri, Apr 14, 2023 at 03:14:27PM +0530, Naresh Kamboju wrote:
> Following build warnings / errors noticed while building allmodconfig for arm64
> with clang-16 on Linux next-20230414.
> 
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
> 
> drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c:298:6: error: variable
> 'ret' is uninitialized when used here [-Werror,-Wuninitialized]
>         if (ret)
>             ^~~
> drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c:216:12: note: initialize
> the variable 'ret' to silence this warning
>         int i, ret;
>                   ^
>                    = 0
> 1 error generated.

I believe a fix for this has been submitted but not yet applied.

- [PATCH v2 1/2] phy: mediatek: hdmi: mt8195: fix uninitialized variable usage in pll_calc

Link: https://lore.kernel.org/all/20230413-fixes-for-mt8195-hdmi-phy-v2-1-bbad62e64321@baylibre.com/