From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754016Ab2FKAKl (ORCPT ); Sun, 10 Jun 2012 20:10:41 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:47735 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751559Ab2FKAKk (ORCPT ); Sun, 10 Jun 2012 20:10:40 -0400 X-AuditID: cbfee61a-b7f9f6d0000016a8-00-4fd5377eba6c From: Jingoo Han To: "'Andrew Morton'" , "'LKML'" Cc: "'Richard Purdie'" , "'Hans-Christian Egtvedt'" , "'Jingoo Han'" Subject: [PATCH v2 1/3][RESEND] backlight: atmel-pwm-bl: use devm_ functions Date: Mon, 11 Jun 2012 09:10:38 +0900 Message-id: <000b01cd4766$a16d8d00$e448a700$%han@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-index: Ac1HZqEmxJIk5xKVRf2t0nAL86CJig== Content-language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrCLMWRmVeSWpSXmKPExsVy+t9jAd0686v+Br9Wqlpc3jWHzYHR4/Mm uQDGKC6blNSczLLUIn27BK6Mrbf/sxWs5qo4tGMWawPjTY4uRk4OCQETib9L7zBC2GISF+6t Z+ti5OIQEljEKHGg8xgThDObSeLlmuNgVWwCahJfvhxmB7FFBCIkmmfMYgYpYhZoZJTYu3MB axcjB4ewgI/E148RIDUsAqoS5191M4GEeQVsJT5tSAAJ8woISvyYfI8FxGYW0JJYv/M4E4Qt L7F5zVtmkHIJAXWJR391ITbpSWy/+geqRERi34t3jBMYBWYhmTQLyaRZSCbNQtKygJFlFaNo akFyQXFSeq6hXnFibnFpXrpecn7uJkZwWD6T2sG4ssHiEKMAB6MSD6/BySv+QqyJZcWVuYcY JTiYlUR4tzJd8hfiTUmsrEotyo8vKs1JLT7EKM3BoiTO22R9wV9IID2xJDU7NbUgtQgmy8TB KdXAOPvlm6m3c6bvTU5ZeMb+k4bw6RU62xqaHWR+mE35a7e8mE9qzseVe5YbpXB9WNxuxndJ eOVTS9ef1SHPRO5Pa+4qWPpXn+/b+0653XzpLl/31iRf7F2l96HUZsoS60193VGShur1thfk D3MkmOWuWLwuXn3WBV1OVp6OO/XB047ekgpI+6cdosRSnJFoqMVcVJwIAK7VSlFHAgAA X-TM-AS-MML: No Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_kzalloc of these functions. Acked-by: Hans-Christian Egtvedt Cc: Richard Purdie Signed-off-by: Jingoo Han --- drivers/video/backlight/atmel-pwm-bl.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index 0443a4f..cd64073 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -127,7 +127,8 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) struct atmel_pwm_bl *pwmbl; int retval; - pwmbl = kzalloc(sizeof(struct atmel_pwm_bl), GFP_KERNEL); + pwmbl = devm_kzalloc(&pdev->dev, sizeof(struct atmel_pwm_bl), + GFP_KERNEL); if (!pwmbl) return -ENOMEM; @@ -202,7 +203,6 @@ err_free_gpio: err_free_pwm: pwm_channel_free(&pwmbl->pwmc); err_free_mem: - kfree(pwmbl); return retval; } @@ -218,7 +218,6 @@ static int __exit atmel_pwm_bl_remove(struct platform_device *pdev) pwm_channel_free(&pwmbl->pwmc); backlight_device_unregister(pwmbl->bldev); platform_set_drvdata(pdev, NULL); - kfree(pwmbl); return 0; } -- 1.7.1