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yaml --- r: 98009 b: refs/heads/master c: a39a2d7 h: refs/heads/master i: 98007: 8097ce5 v: v3
git-mirror · Jun 11, 2008 · b23397f · b23397f
1 parent 7e3f60d
commit b23397f
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Showing 2 changed files with 10 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8410565f540db87ca938f56f92780d251e4f157d
+refs/heads/master: a39a2d7c72b358c6253a2ec28e17b023b7f6f41c
diff --git a/trunk/drivers/acpi/thermal.c b/trunk/drivers/acpi/thermal.c
@@ -364,10 +364,17 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 	if (flag & ACPI_TRIPS_CRITICAL) {
 		status = acpi_evaluate_integer(tz->device->handle,
 				"_CRT", NULL, &tz->trips.critical.temperature);
-		if (ACPI_FAILURE(status)) {
+		/*
+		 * Treat freezing temperatures as invalid as well; some
+		 * BIOSes return really low values and cause reboots at startup.
+		 * Below zero (Celcius) values clearly aren't right for sure..
+		 * ... so lets discard those as invalid.
+		 */
+		if (ACPI_FAILURE(status) ||
+				tz->trips.critical.temperature <= 2732) {
 			tz->trips.critical.flags.valid = 0;
 			ACPI_EXCEPTION((AE_INFO, status,
-					"No critical threshold"));
+					"No or invalid critical threshold"));
 			return -ENODEV;
 		} else {
 			tz->trips.critical.flags.valid = 1;