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...@gmail.com> --- drivers/char/tlclk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c index 572a517..6210bff 100644 --- a/drivers/char/tlclk.c +++ b/drivers/char/tlclk.c @@ -766,7 +766,7 @@ static ssize_t store_reset (struct device *d, NULL }; -static struct attribute_group tlclk_attribute_group = { +static const struct attribute_group tlclk_attribute_group = { .name = NULL, /* put in device directory */ .attrs = tlclk_sysfs_entries, }; -- 1.9.1