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leds: convert ADP5520 LED driver to devm_kzalloc() and cleanup error exit path

Cc: Michael Hennerich <hennerich@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
hifive-unleashed-5.1
Bryan Wu 2012-07-04 12:11:40 +08:00
parent 73759f6ab3
commit bcbf01624f
1 changed files with 3 additions and 5 deletions

View File

@ -119,7 +119,8 @@ static int __devinit adp5520_led_probe(struct platform_device *pdev)
return -EFAULT;
}
led = kzalloc(sizeof(*led) * pdata->num_leds, GFP_KERNEL);
led = devm_kzalloc(&pdev->dev, sizeof(*led) * pdata->num_leds,
GFP_KERNEL);
if (led == NULL) {
dev_err(&pdev->dev, "failed to alloc memory\n");
return -ENOMEM;
@ -129,7 +130,7 @@ static int __devinit adp5520_led_probe(struct platform_device *pdev)
if (ret) {
dev_err(&pdev->dev, "failed to write\n");
goto err_free;
return ret;
}
for (i = 0; i < pdata->num_leds; ++i) {
@ -179,8 +180,6 @@ err:
}
}
err_free:
kfree(led);
return ret;
}
@ -200,7 +199,6 @@ static int __devexit adp5520_led_remove(struct platform_device *pdev)
cancel_work_sync(&led[i].work);
}
kfree(led);
return 0;
}