attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/netdevice.h> work with const attribute_group. So mark the non-const structs as const.
File size before: text data bss dec hex filename 3409 948 28 4385 1121 drivers/net/arcnet/com20020-pci.o File size After adding 'const': text data bss dec hex filename 3473 884 28 4385 1121 drivers/net/arcnet/com20020-pci.o Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com> --- Changes in v2: Added cover later. drivers/net/arcnet/com20020-pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c index 01cab95..eb7f767 100644 --- a/drivers/net/arcnet/com20020-pci.c +++ b/drivers/net/arcnet/com20020-pci.c @@ -109,7 +109,7 @@ static ssize_t backplane_mode_show(struct device *dev, NULL, }; -static struct attribute_group com20020_state_group = { +static const struct attribute_group com20020_state_group = { .name = NULL, .attrs = com20020_state_attrs, }; -- 1.9.1