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| author | Bryan Wu <bryan.wu@canonical.com> | 2012-07-04 11:16:09 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@canonical.com> | 2012-07-24 07:52:37 +0800 |
| commit | e430dc003f023f3f5244418aa26cc64e78ab8b6e (patch) | |
| tree | 8ee653d0279687dd348b0903f1598c808632b889 /drivers/leds/leds-lp5521.c | |
| parent | bad1c898e8b70c644c6542f79802326cc7b11c77 (diff) | |
| download | linux-e430dc003f023f3f5244418aa26cc64e78ab8b6e.tar.bz2 | |
leds: convert LP5521 LED driver to devm_kzalloc() and cleanup error exit path
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Diffstat (limited to 'drivers/leds/leds-lp5521.c')
| -rw-r--r-- | drivers/leds/leds-lp5521.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index 23815624f35e..2064aefedc07 100644 --- a/drivers/leds/leds-lp5521.c +++ b/drivers/leds/leds-lp5521.c @@ -744,7 +744,7 @@ static int __devinit lp5521_probe(struct i2c_client *client, int ret, i, led; u8 buf; - chip = kzalloc(sizeof(*chip), GFP_KERNEL); + chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL); if (!chip) return -ENOMEM; @@ -755,8 +755,7 @@ static int __devinit lp5521_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); @@ -766,7 +765,7 @@ static int __devinit lp5521_probe(struct i2c_client *client, if (pdata->setup_resources) { ret = pdata->setup_resources(); if (ret < 0) - goto fail1; + return ret; } if (pdata->enable) { @@ -807,7 +806,7 @@ static int __devinit lp5521_probe(struct i2c_client *client, ret = lp5521_configure(client); if (ret < 0) { dev_err(&client->dev, "error configuring chip\n"); - goto fail2; + goto fail1; } /* Initialize leds */ @@ -822,7 +821,7 @@ static int __devinit lp5521_probe(struct i2c_client *client, ret = lp5521_init_led(&chip->leds[led], client, i, pdata); if (ret) { dev_err(&client->dev, "error initializing leds\n"); - goto fail3; + goto fail2; } chip->num_leds++; @@ -840,21 +839,19 @@ static int __devinit lp5521_probe(struct i2c_client *client, ret = lp5521_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; } @@ -875,7 +872,6 @@ static int __devexit lp5521_remove(struct i2c_client *client) chip->pdata->enable(0); if (chip->pdata->release_resources) chip->pdata->release_resources(); - kfree(chip); return 0; } |