[PATCH] 9p: Constify static struct v9fs_attr_group

[Rikard Falkeborn <rikard.falkeborn@gmail.com>]

The only usage of v9fs_attr_group is to pass its address to
sysfs_create_group() and sysfs_create_group(), both which takes pointers
to const struct attribute_group. Make it const to allow the compiler to
put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
---
 fs/9p/v9fs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 39def020a074..cdb99507ef33 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -583,7 +583,7 @@ static struct attribute *v9fs_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group v9fs_attr_group = {
+static const struct attribute_group v9fs_attr_group = {
 	.attrs = v9fs_attrs,
 };
 
-- 
2.30.0