linux-kernel - [PATCH 2/2] ALSA: hda: Constify static attribute

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Message-Id: <20210131001241.2278-3-rikard.falkeborn@gmail.com>
Date:   Sun, 31 Jan 2021 01:12:41 +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 2/2] ALSA: hda: Constify static attribute_group

The only usage of hdac_dev_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/hda/hdac_sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/hda/hdac_sysfs.c b/sound/hda/hdac_sysfs.c
index e56e83325903..0d7771fca9f0 100644
--- a/sound/hda/hdac_sysfs.c
+++ b/sound/hda/hdac_sysfs.c
@@ -66,7 +66,7 @@ static struct attribute *hdac_dev_attrs[] = {
 	NULL
 };
 
-static struct attribute_group hdac_dev_attr_group = {
+static const struct attribute_group hdac_dev_attr_group = {
 	.attrs	= hdac_dev_attrs,
 };
 
-- 
2.30.0