From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754935Ab2GDFLu (ORCPT ); Wed, 4 Jul 2012 01:11:50 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:54649 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753671Ab2GDFLp (ORCPT ); Wed, 4 Jul 2012 01:11:45 -0400 From: Bryan Wu To: linux-leds@vger.kernel.org, rpurdie@rpsys.net, linux-kernel@vger.kernel.org Subject: [PATCH 09/25] leds: convert LP5523 LED driver to devm_kzalloc() and cleanup error exit path Date: Wed, 4 Jul 2012 13:10:01 +0800 Message-Id: <1341378617-10386-10-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: Mathias Nyman Signed-off-by: Bryan Wu --- drivers/leds/leds-lp5523.c | 24 ++++++++++-------------- 1 file changed, 10 insertions(+), 14 deletions(-) diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c index e8a2712..fbc12ac 100644 --- a/drivers/leds/leds-lp5523.c +++ b/drivers/leds/leds-lp5523.c @@ -877,7 +877,7 @@ static int __devinit lp5523_probe(struct i2c_client *client, struct lp5523_platform_data *pdata; int ret, i, led; - chip = kzalloc(sizeof(*chip), GFP_KERNEL); + chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL); if (!chip) return -ENOMEM; @@ -888,8 +888,7 @@ static int __devinit lp5523_probe(struct i2c_client *client, if (!pdata) { dev_err(&client->dev, "no platform data\n"); - ret = -EINVAL; - goto fail1; + return -EINVAL; } mutex_init(&chip->lock); @@ -899,7 +898,7 @@ static int __devinit lp5523_probe(struct i2c_client *client, if (pdata->setup_resources) { ret = pdata->setup_resources(); if (ret < 0) - goto fail1; + return ret; } if (pdata->enable) { @@ -916,7 +915,7 @@ static int __devinit lp5523_probe(struct i2c_client *client, */ ret = lp5523_detect(client); if (ret) - goto fail2; + goto fail1; dev_info(&client->dev, "LP5523 Programmable led chip found\n"); @@ -925,13 +924,13 @@ static int __devinit lp5523_probe(struct i2c_client *client, ret = lp5523_init_engine(&chip->engines[i], i + 1); if (ret) { dev_err(&client->dev, "error initializing engine\n"); - goto fail2; + goto fail1; } } ret = lp5523_configure(client); if (ret < 0) { dev_err(&client->dev, "error configuring chip\n"); - goto fail2; + goto fail1; } /* Initialize leds */ @@ -949,7 +948,7 @@ static int __devinit lp5523_probe(struct i2c_client *client, ret = lp5523_init_led(&chip->leds[led], &client->dev, i, pdata); if (ret) { dev_err(&client->dev, "error initializing leds\n"); - goto fail3; + goto fail2; } chip->num_leds++; @@ -965,21 +964,19 @@ static int __devinit lp5523_probe(struct i2c_client *client, ret = lp5523_register_sysfs(client); if (ret) { dev_err(&client->dev, "registering sysfs failed\n"); - goto fail3; + goto fail2; } return ret; -fail3: +fail2: for (i = 0; i < chip->num_leds; i++) { led_classdev_unregister(&chip->leds[i].cdev); cancel_work_sync(&chip->leds[i].brightness_work); } -fail2: +fail1: if (pdata->enable) pdata->enable(0); if (pdata->release_resources) pdata->release_resources(); -fail1: - kfree(chip); return ret; } @@ -999,7 +996,6 @@ static int lp5523_remove(struct i2c_client *client) chip->pdata->enable(0); if (chip->pdata->release_resources) chip->pdata->release_resources(); - kfree(chip); return 0; } -- 1.7.10.4