The thermal_zone_of_device_ops structure can be const as it is only passed as the last argument of devm_thermal_zone_of_sensor_register and the corresponding parameter is declared as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> --- drivers/thermal/armada_thermal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -u -p a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c --- a/drivers/thermal/armada_thermal.c +++ b/drivers/thermal/armada_thermal.c @@ -395,7 +395,7 @@ unlock_mutex: return ret; } -static struct thermal_zone_of_device_ops of_ops = { +static const struct thermal_zone_of_device_ops of_ops = { .get_temp = armada_get_temp, };