attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/sysfs.h> work with const
attribute_group. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
15816 865 88 16769 4181 drivers/block/loop.o
File size After adding 'const':
text data bss dec hex filename
15880 801 88 16769 4181 drivers/block/loop.o
Signed-off-by: Arvind Yadav <[email protected]>
---
drivers/block/loop.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 28d9329..2e413d5 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -788,7 +788,7 @@ static ssize_t loop_attr_dio_show(struct loop_device *lo, char *buf)
NULL,
};
-static struct attribute_group loop_attribute_group = {
+static const struct attribute_group loop_attribute_group = {
.name = "loop",
.attrs= loop_attrs,
};
--
1.9.1