[PATCH 1/2] thermal: rcar_thermal: propagate return value of thermal_zone_device_register

[Devendra Naga <devendra.aaru@gmail.com>]

thermal_zone_device_register returns a value contained in the pointer itself
use PTR_ERR to obtain the address and return it at the end.

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
---
 drivers/thermal/rcar_thermal.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 28f0919..f1726c9 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -363,6 +363,7 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 	struct resource *res, *irq;
 	int mres = 0;
 	int i;
+	int ret = -ENODEV;
 	int idle = IDLE_INTERVAL;
 
 	common = devm_kzalloc(dev, sizeof(*common), GFP_KERNEL);
@@ -441,6 +442,7 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 						idle);
 		if (IS_ERR(priv->zone)) {
 			dev_err(dev, "can't register thermal zone\n");
+			ret = PTR_ERR(priv->zone);
 			goto error_unregister;
 		}
 
@@ -460,7 +462,7 @@ error_unregister:
 	rcar_thermal_for_each_priv(priv, common)
 		thermal_zone_device_unregister(priv->zone);
 
-	return -ENODEV;
+	return ret;
 }
 
 static int rcar_thermal_remove(struct platform_device *pdev)
-- 
1.8.1.2