thermal: core: Do not handle trip points with invalid temperature

Trip points with temperature set to THERMAL_TEMP_INVALID are as good as
disabled, so make handle_thermal_trip() ignore them.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 842f678..b38abe8 100644 (file)
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -348,7 +348,8 @@ static void handle_thermal_trip(struct thermal_zone_device *tz, int trip_id)
        struct thermal_trip trip;
 
        /* Ignore disabled trip points */
-       if (test_bit(trip_id, &tz->trips_disabled))
+       if (test_bit(trip_id, &tz->trips_disabled) ||
+           trip.temperature == THERMAL_TEMP_INVALID)
                return;
 
        __thermal_zone_get_trip(tz, trip_id, &trip);