ALSA: pcm: constify attribute_group structures.

attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/device.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 9781 240 8 10029 272d sound/core/pcm.o File size After adding 'const': text data bss dec hex filename 9813 176 8 9997 270d sound/core/pcm.o Signed-off-by: Arvind Yadav <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
ambv · Jun 29, 2017 · 343fe85 · 343fe85
1 parent fcc6c87
commit 343fe85
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
@@ -1067,7 +1067,7 @@ static struct attribute *pcm_dev_attrs[] = {
 	NULL
 };
 
-static struct attribute_group pcm_dev_attr_group = {
+static const struct attribute_group pcm_dev_attr_group = {
 	.attrs	= pcm_dev_attrs,
 };