[PATCH -next] sound/oss/dmasound: fix 'dmasound_setup' defined but not used
Takashi Iwai
tiwai at suse.de
Thu Apr 14 01:22:46 PDT 2022
On Thu, 14 Apr 2022 10:11:18 +0200,
Miles Chen wrote:
>
> We observed: 'dmasound_setup' defined but not used error with
> COMPILER=gcc ARCH=m68k DEFCONFIG=allmodconfig build.
>
> __setup() does not work if MODULE is defined.
> Fix it by warpping dmasound_setup with #ifndef MODULES.
>
> Error(s):
> sound/oss/dmasound/dmasound_core.c:1431:12: error: 'dmasound_setup' defined but not used [-Werror=unused-function]
>
> Signed-off-by: Miles Chen <miles.chen at mediatek.com>
This must be a side-effect of the recent fix 9dd7c46346ca
("sound/oss/dmasound: fix build when drivers are mixed =y/=m").
Adding Randy to Cc.
IMO, a less uglier way would be to add __maybe_unused to that
function. But it's a matter of taste.
thanks,
Takashi
> ---
> sound/oss/dmasound/dmasound_core.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/sound/oss/dmasound/dmasound_core.c b/sound/oss/dmasound/dmasound_core.c
> index 9c48f3a9e3d1..a1b3e71beadf 100644
> --- a/sound/oss/dmasound/dmasound_core.c
> +++ b/sound/oss/dmasound/dmasound_core.c
> @@ -1428,6 +1428,7 @@ void dmasound_deinit(void)
> unregister_sound_dsp(sq_unit);
> }
>
> +#ifndef MODULE
> static int dmasound_setup(char *str)
> {
> int ints[6], size;
> @@ -1470,6 +1471,7 @@ static int dmasound_setup(char *str)
> }
>
> __setup("dmasound=", dmasound_setup);
> +#endif
>
> /*
> * Conversion tables
> --
> 2.18.0
>
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