linux-kernel - Re: build failure of next-20220822 due to 4e6bedd3c396 ("ASoC: codecs: add support for the TI SRC4392 codec")

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Date:   Mon, 22 Aug 2022 09:34:09 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@...il.com>
Cc:     Matt Flax <flatmax@...tmax.com>, Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, linux-next@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>,
        clang-built-linux <llvm@...ts.linux.dev>
Subject: Re: build failure of next-20220822 due to 4e6bedd3c396 ("ASoC:
 codecs: add support for the TI SRC4392 codec")

On Mon, Aug 22, 2022 at 2:28 AM Sudip Mukherjee (Codethink)
<sudipm.mukherjee@...il.com> wrote:
>
> Hi All,
>
> Not sure if it has been reported,

Hi Sudip,
Thanks for the report.  Two ways you can check if it's already been reported:
1. Check our issue tracker
(https://github.com/ClangBuiltLinux/linux/issues), you'll see that it
has been (https://github.com/ClangBuiltLinux/linux/issues/1691 ->
https://lore.kernel.org/all/YvvbKry5FVFbNdcI@dev-arch.thelio-3990X/)
2. Search for the warning message on lore.
(https://lore.kernel.org/all/ -> search for
"sound/soc/codecs/src4xxx.c Wsometimes" ->
https://lore.kernel.org/all/?q=sound%2Fsoc%2Fcodecs%2Fsrc4xxx.c+Wsometimes
and you'll see two reports from bots and two from humans).

> builds of arm64 with clang failed to
> build next-20220822 with the error:
>
> sound/soc/codecs/src4xxx.c:280:3: error: variable 'd' is used uninitialized whenever switch default is taken [-Werror,-Wsometimes-uninitialized]
>                 default:
>                 ^~~~~~~

-- 
Thanks,
~Nick Desaulniers