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 8293 841 4 9138 23b2 drivers/block/zram/zram_drv.o File size After adding 'const': text data bss dec hex filename 8357 777 4 9138 23b2 drivers/block/zram/zram_drv.o Signed-off-by: Arvind Yadav <[email protected]> --- drivers/block/zram/zram_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index debee95..5da5c04 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -1122,7 +1122,7 @@ static int zram_open(struct block_device *bdev, fmode_t mode) NULL, }; -static struct attribute_group zram_disk_attr_group = { +static const struct attribute_group zram_disk_attr_group = { .attrs = zram_disk_attrs, }; -- 1.9.1
