attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/transport_class.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 34122 1932 4 36058 8cda drivers/scsi/scsi_transport_fc.o File size After adding 'const': text data bss dec hex filename 34186 1868 4 36058 8cda drivers/scsi/scsi_transport_fc.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> --- drivers/scsi/scsi_transport_fc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 7e24aa3..eda39cc 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -1808,7 +1808,7 @@ static FC_DEVICE_ATTR(host, reset_statistics, S_IWUSR, NULL, NULL }; -static struct attribute_group fc_statistics_group = { +static const struct attribute_group fc_statistics_group = { .name = "statistics", .attrs = fc_statistics_attrs, }; -- 1.9.1