attribute_group are not supposed to change at runtime. All functions working with attribute_group 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 8069 816 16 8901 22c5 drivers/s390/char/raw3270.o File size After adding 'const': text data bss dec hex filename 8133 752 16 8901 22c5 drivers/s390/char/raw3270.o Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com> --- drivers/s390/char/raw3270.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 710f229..5d4f053 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -1082,7 +1082,7 @@ struct raw3270_view * NULL, }; -static struct attribute_group raw3270_attr_group = { +static const struct attribute_group raw3270_attr_group = { .attrs = raw3270_attrs, }; -- 1.9.1