attribute_group are not supposed to change at runtime. All functions working with attribute_group 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 13275 928 1 14204 377c drivers/net/usb/cdc_ncm.o File size After adding 'const': text data bss dec hex filename 13339 864 1 14204 377c drivers/net/usb/cdc_ncm.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> --- Changes in v2: Added cover later. Changes in v3: net-next was closed. Now resubmitting it. drivers/net/usb/cdc_ncm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index d103a1d..b401ba9 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -367,7 +367,7 @@ static DEVICE_ATTR(name, S_IRUGO, cdc_ncm_show_##name, NULL) NULL, }; -static struct attribute_group cdc_ncm_sysfs_attr_group = { +static const struct attribute_group cdc_ncm_sysfs_attr_group = { .name = "cdc_ncm", .attrs = cdc_ncm_sysfs_attrs, }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html