From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751401Ab2E1X71 (ORCPT ); Mon, 28 May 2012 19:59:27 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:40934 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751082Ab2E1X70 (ORCPT ); Mon, 28 May 2012 19:59:26 -0400 X-AuditID: cbfee61a-b7fe76d0000023f5-33-4fc4115c97fa 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: Tue, 29 May 2012 08:59:24 +0900 Message-id: <001b01cd3d2d$e84aeee0$b8e0cca0$%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: Ac09LefqJwF+o3IwSsCV8uzQz9GVRg== Content-language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrKLMWRmVeSWpSXmKPExsVy+t9jQd0YwSP+BjffyFpc3jWHzYHR4/Mm uQDGKC6blNSczLLUIn27BK6Mrbf/sxWs5qo4tGMWawPjTY4uRk4OCQETiZd/lzNB2GISF+6t Z+ti5OIQEpjOKDHp21UmCGc2k0T/rgXMIFVsAmoSX74cZgexRQQiJJpnzGIGKWIWaGSU2Ltz AWsXIweHsICPxNePESA1LAKqEnvvrQDbwCtgK7Fk7wsoW1Dix+R7LCA2s4CWxPqdx5kgbHmJ zWveMoOMkRBQl3j0VxdilZ7E8gOHWSFKRCT2vXjHOIFRYBaSSbOQTJqFZNIsJC0LGFlWMYqm FiQXFCel5xrqFSfmFpfmpesl5+duYgQH5jOpHYwrGywOMQpwMCrx8O5Yc9hfiDWxrLgy9xCj BAezkgjv+36gEG9KYmVValF+fFFpTmrxIUZpDhYlcV67xTv8hQTSE0tSs1NTC1KLYLJMHJxS DYzeS9WWtBSWHAvuv5TC2L4muLHIrT4hIYE7eqF8Rkbeh3vLH836Xj/rVE1O/pRN+ecNC3kz EsKT1a/dd8uJKDTzneS/4Mnsd3ZxjpY8Fxtk1vYVveZseqr8qaVh2vJunV9eTX4yW2PmhYvK b2Nl6L+oItnLL71y7pfluz8kHPyTXyd+rVg5V4mlOCPRUIu5qDgRAJoA5ABIAgAA 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