linux-kernel - [PATCH 1/2] backlight: 88pm860x: drop devm_kfree of devm

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Message-id: <000501cdb590$588260f0$098722d0$%han@samsung.com>
Date:	Mon, 29 Oct 2012 13:46:22 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Andrew Morton' <akpm@...ux-foundation.org>,
	'LKML' <linux-kernel@...r.kernel.org>
Cc:	'Richard Purdie' <rpurdie@...ys.net>,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH 1/2] backlight: 88pm860x: drop devm_kfree of devm_kzalloc'd data

The devm_kfree function allocates memory that is released
when a driver detaches. Thus, there is no reason to explicitly
call devm_kfree in probe or remove functions.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
Cc: Richard Purdie <rpurdie@...ys.net>
---
 drivers/video/backlight/88pm860x_bl.c |   11 +++--------
 1 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
index b7ec34c..861cc40 100644
--- a/drivers/video/backlight/88pm860x_bl.c
+++ b/drivers/video/backlight/88pm860x_bl.c
@@ -208,22 +208,19 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
 	res = platform_get_resource_byname(pdev, IORESOURCE_REG, "duty cycle");
 	if (!res) {
 		dev_err(&pdev->dev, "No REG resource for duty cycle\n");
-		ret = -ENXIO;
-		goto out;
+		return -ENXIO;
 	}
 	data->reg_duty_cycle = res->start;
 	res = platform_get_resource_byname(pdev, IORESOURCE_REG, "always on");
 	if (!res) {
 		dev_err(&pdev->dev, "No REG resorce for always on\n");
-		ret = -ENXIO;
-		goto out;
+		return -ENXIO;
 	}
 	data->reg_always_on = res->start;
 	res = platform_get_resource_byname(pdev, IORESOURCE_REG, "current");
 	if (!res) {
 		dev_err(&pdev->dev, "No REG resource for current\n");
-		ret = -ENXIO;
-		goto out;
+		return -ENXIO;
 	}
 	data->reg_current = res->start;
 
@@ -263,8 +260,6 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
 	return 0;
 out_brt:
 	backlight_device_unregister(bl);
-out:
-	devm_kfree(&pdev->dev, data);
 	return ret;
 }
 
-- 
1.7.1


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