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@gmail.com>
Link: https://lore.kernel.org/r/20210131001241.2278-3-rikard.falkeborn@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/hda/hdac_sysfs.c b/sound/hda/hdac_sysfs.c
index e56e833..0d7771f 100644 (file)
--- 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,
 };