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

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Date:   Thu, 14 Apr 2022 17:19:38 +0800
From:   Miles Chen <miles.chen@...iatek.com>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Randy Dunlap <rdunlap@...radead.org>
CC:     Miles Chen <miles.chen@...iatek.com>, 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: [PATCH -next V2] sound/oss/dmasound: fix 'dmasound_setup' defined but not used

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>

---

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;
 
-- 
2.18.0