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. Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> --- drivers/leds/leds-blinkm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/leds/leds-blinkm.c b/drivers/leds/leds-blinkm.c index 617fe97..d03ed6b 100644 --- a/drivers/leds/leds-blinkm.c +++ b/drivers/leds/leds-blinkm.c @@ -298,7 +298,7 @@ static ssize_t store_test(struct device *dev, struct device_attribute *attr, NULL, }; -static struct attribute_group blinkm_group = { +static const struct attribute_group blinkm_group = { .name = "blinkm", .attrs = blinkm_attrs, }; -- 1.9.1