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thermal: core: ignore invalid trip temperature

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Ignore invalid trip temperature less or equal to zero. Some
buggy systems have invalid trips, causing system shutdown.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Srinivas Pandruvada 2014-11-12 15:43:29 -08:00 committed by Zhang Rui
parent 009d0431c3
commit 84ffe3ecc2
1 changed files with 1 additions and 1 deletions
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drivers/thermal/thermal_core.c
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@ -368,7 +368,7 @@ static void handle_critical_trips(struct thermal_zone_device *tz,
tz->ops->get_trip_temp(tz, trip, &trip_temp);
/* If we have not crossed the trip_temp, we do not care. */
if (tz->temperature < trip_temp)
if (trip_temp <= 0 || tz->temperature < trip_temp)
return;
trace_thermal_zone_trip(tz, trip, trip_type);