linux-kernel - Re: [PATCH -next V2] sound/oss/dmasound: fix 'dmasound

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Message-ID: <292dcb6e-6f23-7e61-7927-5b6fe5911f97@infradead.org>
Date:   Thu, 14 Apr 2022 17:01:31 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Miles Chen <miles.chen@...iatek.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Takashi Iwai <tiwai@...e.de>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH -next V2] sound/oss/dmasound: fix 'dmasound_setup' defined
 but not used



On 4/14/22 02:19, Miles Chen wrote:
> We observed: 'dmasound_setup' defined but not used error with
> COMPILER=gcc ARCH=m68k DEFCONFIG=allmodconfig build.
> 
> Fix it by adding __maybe_unused to dmasound_setup.
> 
> Error(s):
> sound/oss/dmasound/dmasound_core.c:1431:12: error: 'dmasound_setup' defined but not used [-Werror=unused-function]
> 
> Fixes: 9dd7c46346ca ("sound/oss/dmasound: fix build when drivers are mixed =y/=m")
> Signed-off-by: Miles Chen <miles.chen@...iatek.com>
> Cc: Takashi Iwai <tiwai@...e.com>
> 

Acked-by: Randy Dunlap <rdunlap@...radead.org>

Thanks.

> ---
> 
> Change sinve v1:
>  add fixes tag
>  use __maybe_unused
> 
> ---
>  sound/oss/dmasound/dmasound_core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/oss/dmasound/dmasound_core.c b/sound/oss/dmasound/dmasound_core.c
> index 9c48f3a9e3d1..164335d3c200 100644
> --- a/sound/oss/dmasound/dmasound_core.c
> +++ b/sound/oss/dmasound/dmasound_core.c
> @@ -1428,7 +1428,7 @@ void dmasound_deinit(void)
>  		unregister_sound_dsp(sq_unit);
>  }
>  
> -static int dmasound_setup(char *str)
> +static int __maybe_unused dmasound_setup(char *str)
>  {
>  	int ints[6], size;
>  

-- 
~Randy