linux-kernel - [PATCH 1/2] ALSA: ac97: Constify static struct attribute

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Message-Id: <20210131001241.2278-2-rikard.falkeborn@gmail.com>
Date:   Sun, 31 Jan 2021 01:12:40 +0100
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 1/2] ALSA: ac97: Constify static struct attribute_group

The only usage of ac97_adapter_attr_group is to put its address in an
array of pointers to const attribute_group structs. Make it const to
allow the compiler to put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 sound/ac97/bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/ac97/bus.c b/sound/ac97/bus.c
index 7985dd8198b6..d9077e91382b 100644
--- a/sound/ac97/bus.c
+++ b/sound/ac97/bus.c
@@ -273,7 +273,7 @@ static struct attribute *ac97_controller_device_attrs[] = {
 	NULL
 };
 
-static struct attribute_group ac97_adapter_attr_group = {
+static const struct attribute_group ac97_adapter_attr_group = {
 	.name	= "ac97_operations",
 	.attrs	= ac97_controller_device_attrs,
 };
-- 
2.30.0