linux-kernel - Re: [PATCH v2] ASoC: soc-compress: avoid false-positive Wuninitialized warning

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Message-ID: <87blnhsdr4.wl-kuninori.morimoto.gx@renesas.com>
Date:   24 Apr 2020 13:34:39 +0900
From:   Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:     Rong Chen <rong.a.chen@...el.com>
Cc:     Vinod Koul <vkoul@...nel.org>, Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, kbuild test robot <lkp@...el.com>
Subject: Re: [PATCH v2] ASoC: soc-compress: avoid false-positive Wuninitialized warning


Hi

> gcc-6.5 and earlier show a new warning:
> 
> sound/soc/soc-compress.c: In function ‘soc_compr_open’:
> sound/soc/soc-compress.c:75:28: warning: ‘component’ is used uninitialized in this function [-Wuninitialized]
>   struct snd_soc_component *component, *save = NULL;
>                               ^~~~~~~~~
> 
> Simplest fix is to initialize it to avoid the warning.
> 
> Reported-by: kbuild test robot <lkp@...el.com>
> Cc: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
> Link: https://lore.kernel.org/lkml/202004201540.vYPhhYMs%25lkp@intel.com
> Signed-off-by: Rong Chen <rong.a.chen@...el.com>
> ---

Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>

Thank you for your help !!

Best regards
---
Kuninori Morimoto