---
 drivers/thermal/thermal_core.c    |   11 +++++++----
 drivers/thermal/thermal_debugfs.c |    7 ++++++-
 2 files changed, 13 insertions(+), 5 deletions(-)

Index: linux-pm/drivers/thermal/thermal_core.c
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_core.c
+++ linux-pm/drivers/thermal/thermal_core.c
@@ -964,7 +964,8 @@ __thermal_cooling_device_register(struct
 {
 	struct thermal_cooling_device *cdev;
 	struct thermal_zone_device *pos = NULL;
-	unsigned long current_state;
+	unsigned long val;
+	int current_state;
 	int id, ret;
 
 	if (!ops || !ops->get_max_state || !ops->get_cur_state ||
@@ -1002,9 +1003,11 @@ __thermal_cooling_device_register(struct
 	if (ret)
 		goto out_cdev_type;
 
-	ret = cdev->ops->get_cur_state(cdev, &current_state);
-	if (ret)
-		goto out_cdev_type;
+	ret = cdev->ops->get_cur_state(cdev, &val);
+	if (val >= 0 && val <= INT_MAX)
+		current_state = val;
+	else
+		current_state = -1;
 
 	thermal_cooling_device_setup_sysfs(cdev);
 
Index: linux-pm/drivers/thermal/thermal_debugfs.c
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_debugfs.c
+++ linux-pm/drivers/thermal/thermal_debugfs.c
@@ -421,6 +421,8 @@ void thermal_debug_cdev_state_update(con
 	cdev_dbg = &thermal_dbg->cdev_dbg;
 
 	old_state = cdev_dbg->current_state;
+	if (old_state < 0)
+		goto unlock;
 
 	/*
 	 * Get the old state information in the durations list. If
@@ -463,6 +465,7 @@ void thermal_debug_cdev_state_update(con
 
 	cdev_dbg->total++;
 
+unlock:
 	mutex_unlock(&thermal_dbg->lock);
 }
 
@@ -499,7 +502,9 @@ void thermal_debug_cdev_add(struct therm
 	 * duration will be printed by cdev_dt_seq_show() as expected if it
 	 * runs before the first state transition.
 	 */
-	thermal_debugfs_cdev_record_get(thermal_dbg, cdev_dbg->durations, state);
+	if (state >= 0)
+		thermal_debugfs_cdev_record_get(thermal_dbg, cdev_dbg->durations,
+						state);
 
 	debugfs_create_file("trans_table", 0400, thermal_dbg->d_top,
 			    thermal_dbg, &tt_fops);