Merge tag 'for-v4.7-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply fixes from Sebastian Reichel.

* tag 'for-v4.7-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power_supply: tps65217-charger: Fix NULL deref during property export
  power_supply: power_supply_read_temp only if use_cnt > 0

drivers/power/power_supply_core.c

@@ -565,10 +565,11 @@ static int power_supply_read_temp(struct thermal_zone_device *tzd,
 
 	WARN_ON(tzd == NULL);
 	psy = tzd->devdata;
-	ret = psy->desc->get_property(psy, POWER_SUPPLY_PROP_TEMP, &val);
+	ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_TEMP, &val);
+	if (ret)
+		return ret;
 
 	/* Convert tenths of degree Celsius to milli degree Celsius. */
-	if (!ret)
 	*temp = val.intval * 100;
 
 	return ret;
@@ -612,9 +613,11 @@ static int ps_get_max_charge_cntl_limit(struct thermal_cooling_device *tcd,
 	int ret;
 
 	psy = tcd->devdata;
-	ret = psy->desc->get_property(psy,
+	ret = power_supply_get_property(psy,
 			POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX, &val);
-	if (!ret)
+	if (ret)
+		return ret;
+
 	*state = val.intval;
 
 	return ret;
@@ -628,9 +631,11 @@ static int ps_get_cur_chrage_cntl_limit(struct thermal_cooling_device *tcd,
 	int ret;
 
 	psy = tcd->devdata;
-	ret = psy->desc->get_property(psy,
+	ret = power_supply_get_property(psy,
 			POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT, &val);
-	if (!ret)
+	if (ret)
+		return ret;
+
 	*state = val.intval;
 
 	return ret;

drivers/power/tps65217_charger.c

@@ -197,6 +197,7 @@ static int tps65217_charger_probe(struct platform_device *pdev)
 {
 	struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);
 	struct tps65217_charger *charger;
+	struct power_supply_config cfg = {};
 	int ret;
 
 	dev_dbg(&pdev->dev, "%s\n", __func__);
@@ -208,9 +209,12 @@ static int tps65217_charger_probe(struct platform_device *pdev)
 	charger->tps = tps;
 	charger->dev = &pdev->dev;
 
+	cfg.of_node = pdev->dev.of_node;
+	cfg.drv_data = charger;
+
 	charger->ac = devm_power_supply_register(&pdev->dev,
 						 &tps65217_charger_desc,
-						 NULL);
+						 &cfg);
 	if (IS_ERR(charger->ac)) {
 		dev_err(&pdev->dev, "failed: power supply register\n");
 		return PTR_ERR(charger->ac);