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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-08-30 16:13:50 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-08-30 16:13:50 +0400
commitda48afb26b40ebb5d6b0e84793e0662859c7ea20 (patch)
tree1c85a4ebd412a8c5e05e6dcb6a64f1326f8f1dff /drivers/acpi/thermal.c
parent7a330a5416de9240c93a6987e11cb32b581d3263 (diff)
parent524f42fab787a9510be826ce3d736b56d454ac6d (diff)
downloadlinux-da48afb26b40ebb5d6b0e84793e0662859c7ea20.tar.xz
Merge branch 'acpi-assorted'
* acpi-assorted: ACPI / EC: Add ASUSTEK L4R to quirk list in order to validate ECDT ACPI / thermal: Add check of "_TZD" availability and evaluating result
Diffstat (limited to 'drivers/acpi/thermal.c')
-rw-r--r--drivers/acpi/thermal.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 9063239e0b13..6a0329340b42 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -475,14 +475,14 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
break;
}
- if (flag & ACPI_TRIPS_DEVICES) {
- memset(&devices, 0, sizeof(struct acpi_handle_list));
+ if ((flag & ACPI_TRIPS_DEVICES)
+ && acpi_has_method(tz->device->handle, "_TZD")) {
+ memset(&devices, 0, sizeof(devices));
status = acpi_evaluate_reference(tz->device->handle, "_TZD",
NULL, &devices);
- if (memcmp(&tz->devices, &devices,
- sizeof(struct acpi_handle_list))) {
- memcpy(&tz->devices, &devices,
- sizeof(struct acpi_handle_list));
+ if (ACPI_SUCCESS(status)
+ && memcmp(&tz->devices, &devices, sizeof(devices))) {
+ tz->devices = devices;
ACPI_THERMAL_TRIPS_EXCEPTION(flag, "device");
}
}