thermal: netlink: Use for_each_trip() in thermal_genl_cmd_tz_get_trip()

Make thermal_genl_cmd_tz_get_trip() use for_each_trip() instead of an open-
coded loop over trip indices.

No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>

drivers/thermal/thermal_netlink.c

@@ -450,10 +450,10 @@ static int thermal_genl_cmd_tz_get_id(struct param *p)
 static int thermal_genl_cmd_tz_get_trip(struct param *p)
 {
 	struct sk_buff *msg = p->msg;
+	const struct thermal_trip *trip;
 	struct thermal_zone_device *tz;
 	struct nlattr *start_trip;
-	struct thermal_trip trip;
-	int ret, i, id;
+	int id;
 
 	if (!p->attrs[THERMAL_GENL_ATTR_TZ_ID])
 		return -EINVAL;
@@ -470,16 +470,12 @@ static int thermal_genl_cmd_tz_get_trip(struct param *p)
 
 	mutex_lock(&tz->lock);
 
-	for (i = 0; i < tz->num_trips; i++) {
-
-		ret = __thermal_zone_get_trip(tz, i, &trip);
-		if (ret)
-			goto out_cancel_nest;
-
-		if (nla_put_u32(msg, THERMAL_GENL_ATTR_TZ_TRIP_ID, i) ||
-		    nla_put_u32(msg, THERMAL_GENL_ATTR_TZ_TRIP_TYPE, trip.type) ||
-		    nla_put_u32(msg, THERMAL_GENL_ATTR_TZ_TRIP_TEMP, trip.temperature) ||
-		    nla_put_u32(msg, THERMAL_GENL_ATTR_TZ_TRIP_HYST, trip.hysteresis))
+	for_each_trip(tz, trip) {
+		if (nla_put_u32(msg, THERMAL_GENL_ATTR_TZ_TRIP_ID,
+				thermal_zone_trip_id(tz, trip)) ||
+		    nla_put_u32(msg, THERMAL_GENL_ATTR_TZ_TRIP_TYPE, trip->type) ||
+		    nla_put_u32(msg, THERMAL_GENL_ATTR_TZ_TRIP_TEMP, trip->temperature) ||
+		    nla_put_u32(msg, THERMAL_GENL_ATTR_TZ_TRIP_HYST, trip->hysteresis))
 			goto out_cancel_nest;
 	}