Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752153Ab2KTF3T (ORCPT ); Tue, 20 Nov 2012 00:29:19 -0500 Received: from mail-pb0-f46.google.com ([209.85.160.46]:65000 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750818Ab2KTF3Q (ORCPT ); Tue, 20 Nov 2012 00:29:16 -0500 From: Sachin Kamat To: linux-kernel@vger.kernel.org Cc: myungjoo.ham@samsung.com, cw00.choi@samsung.com, sachin.kamat@linaro.org, patches@linaro.org Subject: [PATCH 7/7] extcon: max77693: Use devm_kzalloc Date: Tue, 20 Nov 2012 10:52:43 +0530 Message-Id: <1353388963-23761-8-git-send-email-sachin.kamat@linaro.org> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1353388963-23761-1-git-send-email-sachin.kamat@linaro.org> References: <1353388963-23761-1-git-send-email-sachin.kamat@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3145 Lines: 99 devm_kzalloc() is a device managed function. It makes error handling and cleanup code a bit simpler. Signed-off-by: Sachin Kamat --- drivers/extcon/extcon-max77693.c | 23 ++++++++--------------- 1 files changed, 8 insertions(+), 15 deletions(-) diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c index 2a0f397..3c29bb7 100644 --- a/drivers/extcon/extcon-max77693.c +++ b/drivers/extcon/extcon-max77693.c @@ -657,11 +657,11 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) int ret, i; u8 id; - info = kzalloc(sizeof(struct max77693_muic_info), GFP_KERNEL); + info = devm_kzalloc(&pdev->dev, sizeof(struct max77693_muic_info), + GFP_KERNEL); if (!info) { dev_err(&pdev->dev, "failed to allocate memory\n"); - ret = -ENOMEM; - goto err_kfree; + return -ENOMEM; } info->dev = &pdev->dev; info->max77693 = max77693; @@ -672,10 +672,9 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) info->max77693->muic, &max77693_muic_regmap_config); if (IS_ERR(info->max77693->regmap_muic)) { - ret = PTR_ERR(info->max77693->regmap_muic); dev_err(max77693->dev, "failed to allocate register map: %d\n", ret); - goto err_regmap; + return PTR_ERR(info->max77693->regmap_muic); } } platform_set_drvdata(pdev, info); @@ -709,7 +708,8 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) } /* Initialize extcon device */ - info->edev = kzalloc(sizeof(struct extcon_dev), GFP_KERNEL); + info->edev = devm_kzalloc(&pdev->dev, sizeof(struct extcon_dev), + GFP_KERNEL); if (!info->edev) { dev_err(&pdev->dev, "failed to allocate memory for extcon\n"); ret = -ENOMEM; @@ -720,7 +720,7 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) ret = extcon_dev_register(info->edev, NULL); if (ret) { dev_err(&pdev->dev, "failed to register extcon device\n"); - goto err_extcon; + goto err_irq; } /* Initialize MUIC register by using platform data */ @@ -753,7 +753,7 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) MAX77693_MUIC_REG_ID, &id); if (ret < 0) { dev_err(&pdev->dev, "failed to read revision number\n"); - goto err_extcon; + goto err_irq; } dev_info(info->dev, "device ID : 0x%x\n", id); @@ -765,14 +765,9 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) return ret; -err_extcon: - kfree(info->edev); err_irq: while (--i >= 0) free_irq(muic_irqs[i].virq, info); -err_regmap: - kfree(info); -err_kfree: return ret; } @@ -785,8 +780,6 @@ static int __devexit max77693_muic_remove(struct platform_device *pdev) free_irq(muic_irqs[i].virq, info); cancel_work_sync(&info->irq_work); extcon_dev_unregister(info->edev); - kfree(info->edev); - kfree(info); return 0; } -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/