linux-kernel - [PATCH 15/25] leds: convert ADP5520 LED driver to devm

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Date:	Wed,  4 Jul 2012 13:10:07 +0800
From:	Bryan Wu <bryan.wu@...onical.com>
To:	linux-leds@...r.kernel.org, rpurdie@...ys.net,
	linux-kernel@...r.kernel.org
Subject: [PATCH 15/25] leds: convert ADP5520 LED driver to devm_kzalloc() and cleanup error exit path

Cc: Michael Hennerich <hennerich@...ckfin.uclinux.org>
Signed-off-by: Bryan Wu <bryan.wu@...onical.com>
---
 drivers/leds/leds-adp5520.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/leds/leds-adp5520.c b/drivers/leds/leds-adp5520.c
index b1400db..72b110f 100644
--- a/drivers/leds/leds-adp5520.c
+++ b/drivers/leds/leds-adp5520.c
@@ -119,7 +119,8 @@ static int __devinit adp5520_led_probe(struct platform_device *pdev)
 		return -EFAULT;
 	}
 
-	led = kzalloc(sizeof(*led) * pdata->num_leds, GFP_KERNEL);
+	led = devm_kzalloc(&pdev->dev, sizeof(*led) * pdata->num_leds,
+				GFP_KERNEL);
 	if (led == NULL) {
 		dev_err(&pdev->dev, "failed to alloc memory\n");
 		return -ENOMEM;
@@ -129,7 +130,7 @@ static int __devinit adp5520_led_probe(struct platform_device *pdev)
 
 	if (ret) {
 		dev_err(&pdev->dev, "failed to write\n");
-		goto err_free;
+		return ret
 	}
 
 	for (i = 0; i < pdata->num_leds; ++i) {
@@ -179,8 +180,6 @@ err:
 		}
 	}
 
-err_free:
-	kfree(led);
 	return ret;
 }
 
@@ -200,7 +199,6 @@ static int __devexit adp5520_led_remove(struct platform_device *pdev)
 		cancel_work_sync(&led[i].work);
 	}
 
-	kfree(led);
 	return 0;
 }
 
-- 
1.7.10.4

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