kfree(lm);
 }
 
-static struct wf_sensor_ops wf_lm75_ops = {
+static const struct wf_sensor_ops wf_lm75_ops = {
        .get_value      = wf_lm75_get,
        .release        = wf_lm75_release,
        .owner          = THIS_MODULE,
 
        kfree(lm);
 }
 
-static struct wf_sensor_ops wf_lm87_ops = {
+static const struct wf_sensor_ops wf_lm87_ops = {
        .get_value      = wf_lm87_get,
        .release        = wf_lm87_release,
        .owner          = THIS_MODULE,
 
        kfree(max);
 }
 
-static struct wf_sensor_ops wf_max6690_ops = {
+static const struct wf_sensor_ops wf_max6690_ops = {
        .get_value      = wf_max6690_get,
        .release        = wf_max6690_release,
        .owner          = THIS_MODULE,
 
        kref_put(&sat->ref, wf_sat_release);
 }
 
-static struct wf_sensor_ops wf_sat_ops = {
+static const struct wf_sensor_ops wf_sat_ops = {
        .get_value      = wf_sat_sensor_get,
        .release        = wf_sat_sensor_release,
        .owner          = THIS_MODULE,
 
 }
 
 
-static struct wf_sensor_ops smu_cputemp_ops = {
+static const struct wf_sensor_ops smu_cputemp_ops = {
        .get_value      = smu_cputemp_get,
        .release        = smu_ads_release,
        .owner          = THIS_MODULE,
 };
-static struct wf_sensor_ops smu_cpuamp_ops = {
+static const struct wf_sensor_ops smu_cpuamp_ops = {
        .get_value      = smu_cpuamp_get,
        .release        = smu_ads_release,
        .owner          = THIS_MODULE,
 };
-static struct wf_sensor_ops smu_cpuvolt_ops = {
+static const struct wf_sensor_ops smu_cpuvolt_ops = {
        .get_value      = smu_cpuvolt_get,
        .release        = smu_ads_release,
        .owner          = THIS_MODULE,
 };
-static struct wf_sensor_ops smu_slotspow_ops = {
+static const struct wf_sensor_ops smu_slotspow_ops = {
        .get_value      = smu_slotspow_get,
        .release        = smu_ads_release,
        .owner          = THIS_MODULE,
        return 0;
 }
 
-static struct wf_sensor_ops smu_cpu_power_ops = {
+static const struct wf_sensor_ops smu_cpu_power_ops = {
        .get_value      = smu_cpu_power_get,
        .release        = smu_cpu_power_release,
        .owner          = THIS_MODULE,