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| author | Bryan Wu <bryan.wu@canonical.com> | 2012-07-04 12:24:40 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@canonical.com> | 2012-07-24 07:52:40 +0800 |
| commit | 0b873f3d507b43f7381fb6c377d0034ed6696d46 (patch) | |
| tree | c1e7f76e3159b147d0aef19af4fa4a533cd28d88 /drivers/leds | |
| parent | 6770fc60c4fb3fac9578013103012b7cd0355e44 (diff) | |
| download | linux-3.10-0b873f3d507b43f7381fb6c377d0034ed6696d46.tar.gz linux-3.10-0b873f3d507b43f7381fb6c377d0034ed6696d46.tar.bz2 linux-3.10-0b873f3d507b43f7381fb6c377d0034ed6696d46.zip | |
leds: convert LM3530 LED driver to devm_kzalloc() and cleanup error exit path
Cc: Shreshtha Kumar SAHU <shreshthakumar.sahu@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-lm3530.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/leds/leds-lm3530.c b/drivers/leds/leds-lm3530.c index 84ba6de8039..23637bdb275 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; } |