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-rw-r--r--drivers/thermal/thermal.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/thermal/thermal.c b/drivers/thermal/thermal.c
index e782b3e7fcd..5f1d318f057 100644
--- a/drivers/thermal/thermal.c
+++ b/drivers/thermal/thermal.c
@@ -306,12 +306,23 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
{
struct thermal_cooling_device_instance *dev;
struct thermal_cooling_device_instance *pos;
+ struct thermal_zone_device *pos1;
+ struct thermal_cooling_device *pos2;
int result;
if (trip >= tz->trips || (trip < 0 && trip != THERMAL_TRIPS_NONE))
return -EINVAL;
- if (!tz || !cdev)
+ list_for_each_entry(pos1, &thermal_tz_list, node) {
+ if (pos1 == tz)
+ break;
+ }
+ list_for_each_entry(pos2, &thermal_cdev_list, node) {
+ if (pos2 == cdev)
+ break;
+ }
+
+ if (tz != pos1 || cdev != pos2)
return -EINVAL;
dev =