From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933614Ab2GDFNQ (ORCPT ); Wed, 4 Jul 2012 01:13:16 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:54673 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933156Ab2GDFNM (ORCPT ); Wed, 4 Jul 2012 01:13:12 -0400 From: Bryan Wu To: linux-leds@vger.kernel.org, rpurdie@rpsys.net, linux-kernel@vger.kernel.org Subject: [PATCH 18/25] leds: convert LM3530 LED driver to devm_kzalloc() and cleanup error exit path Date: Wed, 4 Jul 2012 13:10:10 +0800 Message-Id: <1341378617-10386-19-git-send-email-bryan.wu@canonical.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1341378617-10386-1-git-send-email-bryan.wu@canonical.com> References: <1341378617-10386-1-git-send-email-bryan.wu@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Cc: Shreshtha Kumar SAHU Signed-off-by: Bryan Wu --- drivers/leds/leds-lm3530.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/drivers/leds/leds-lm3530.c b/drivers/leds/leds-lm3530.c index 84ba6de..23637bd 100644 --- a/drivers/leds/leds-lm3530.c +++ b/drivers/leds/leds-lm3530.c @@ -386,28 +386,24 @@ static int __devinit lm3530_probe(struct i2c_client *client, if (pdata == NULL) { dev_err(&client->dev, "platform data required\n"); - err = -ENODEV; - goto err_out; + return -ENODEV; } /* BL mode */ if (pdata->mode > LM3530_BL_MODE_PWM) { dev_err(&client->dev, "Illegal Mode request\n"); - err = -EINVAL; - goto err_out; + return -EINVAL; } if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { dev_err(&client->dev, "I2C_FUNC_I2C not supported\n"); - err = -EIO; - goto err_out; + return -EIO; } - drvdata = kzalloc(sizeof(struct lm3530_data), GFP_KERNEL); - if (drvdata == NULL) { - err = -ENOMEM; - goto err_out; - } + drvdata = devm_kzalloc(&client->dev, sizeof(struct lm3530_data), + GFP_KERNEL); + if (drvdata == NULL) + return -ENOMEM; drvdata->mode = pdata->mode; drvdata->client = client; @@ -425,7 +421,7 @@ static int __devinit lm3530_probe(struct i2c_client *client, dev_err(&client->dev, "regulator get failed\n"); err = PTR_ERR(drvdata->regulator); drvdata->regulator = NULL; - goto err_regulator_get; + return err; } if (drvdata->pdata->brt_val) { @@ -458,9 +454,6 @@ err_create_file: err_class_register: err_reg_init: regulator_put(drvdata->regulator); -err_regulator_get: - kfree(drvdata); -err_out: return err; } @@ -474,7 +467,6 @@ static int __devexit lm3530_remove(struct i2c_client *client) regulator_disable(drvdata->regulator); regulator_put(drvdata->regulator); led_classdev_unregister(&drvdata->led_dev); - kfree(drvdata); return 0; } -- 1.7.10.4