linux-kernel - [PATCH] thermal: rcar_thermal: remove explicitly used devm

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Date:	Tue, 02 Oct 2012 23:51:09 -0700 (PDT)
From:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:	Zhang Rui <rui.zhang@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Kuninori Morimoto <kuninori.morimoto.gx@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] thermal: rcar_thermal: remove explicitly used devm_kfree/iounap()

devm_kfree and devm_iounmap should not have to be explicitly used

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
---
This patch is based on Devendra's
[PATCH] thermal: solve compilation errors in rcar_thermal

 drivers/thermal/rcar_thermal.c |   18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 762f637..81dce23 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -185,7 +185,6 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 	struct thermal_zone_device *zone;
 	struct rcar_thermal_priv *priv;
 	struct resource *res;
-	int ret;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
@@ -206,16 +205,14 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 					  res->start, resource_size(res));
 	if (!priv->base) {
 		dev_err(&pdev->dev, "Unable to ioremap thermal register\n");
-		ret = -ENOMEM;
-		goto error_free_priv;
+		return -ENOMEM;
 	}
 
 	zone = thermal_zone_device_register("rcar_thermal", 0, 0, priv,
 				    &rcar_thermal_zone_ops, NULL, 0, 0);
 	if (IS_ERR(zone)) {
 		dev_err(&pdev->dev, "thermal zone device is NULL\n");
-		ret = PTR_ERR(zone);
-		goto error_iounmap;
+		return PTR_ERR(zone);
 	}
 
 	platform_set_drvdata(pdev, zone);
@@ -223,26 +220,15 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 	dev_info(&pdev->dev, "proved\n");
 
 	return 0;
-
-error_iounmap:
-	devm_iounmap(&pdev->dev, priv->base);
-error_free_priv:
-	devm_kfree(&pdev->dev, priv);
-
-	return ret;
 }
 
 static int rcar_thermal_remove(struct platform_device *pdev)
 {
 	struct thermal_zone_device *zone = platform_get_drvdata(pdev);
-	struct rcar_thermal_priv *priv = zone->devdata;
 
 	thermal_zone_device_unregister(zone);
 	platform_set_drvdata(pdev, NULL);
 
-	devm_iounmap(&pdev->dev, priv->base);
-	devm_kfree(&pdev->dev, priv);
-
 	return 0;
 }
 
-- 
1.7.9.5

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