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leds: convert Network Space v2 LED driver to devm_kzalloc() and cleanup error exit path

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Cc: Simon Guinot <sguinot@lacie.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
This commit is contained in:
Bryan Wu 2012-07-04 12:30:50 +08:00
parent e58603122e
commit a209f76698
1 changed files with 6 additions and 13 deletions
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19
drivers/leds/leds-ns2.c
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@ -273,29 +273,23 @@ static int __devinit ns2_led_probe(struct platform_device *pdev)
if (!pdata)
return -EINVAL;
leds_data = kzalloc(sizeof(struct ns2_led_data) *
leds_data = devm_kzalloc(&pdev->dev, sizeof(struct ns2_led_data) *
pdata->num_leds, GFP_KERNEL);
if (!leds_data)
return -ENOMEM;
for (i = 0; i < pdata->num_leds; i++) {
ret = create_ns2_led(pdev, &leds_data[i], &pdata->leds[i]);
if (ret < 0)
goto err;
if (ret < 0) {
for (i = i - 1; i >= 0; i--)
delete_ns2_led(&leds_data[i]);
return ret;
}
}
platform_set_drvdata(pdev, leds_data);
return 0;
err:
for (i = i - 1; i >= 0; i--)
delete_ns2_led(&leds_data[i]);
kfree(leds_data);
return ret;
}
static int __devexit ns2_led_remove(struct platform_device *pdev)
@ -309,7 +303,6 @@ static int __devexit ns2_led_remove(struct platform_device *pdev)
for (i = 0; i < pdata->num_leds; i++)
delete_ns2_led(&leds_data[i]);
kfree(leds_data);
platform_set_drvdata(pdev, NULL);
return 0;