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max8997_charger: Use devm_kzalloc()

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Use devm_kzalloc() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This commit is contained in:
Jingoo Han 2013-03-11 15:34:55 +09:00 committed by Anton Vorontsov
parent acfbf47a90
commit d4a20f57d3
1 changed files with 3 additions and 6 deletions
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9
drivers/power/max8997_charger.c
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@ -138,7 +138,8 @@ static int max8997_battery_probe(struct platform_device *pdev)
return ret;
}
charger = kzalloc(sizeof(struct charger_data), GFP_KERNEL);
charger = devm_kzalloc(&pdev->dev, sizeof(struct charger_data),
GFP_KERNEL);
if (charger == NULL) {
dev_err(&pdev->dev, "Cannot allocate memory.\n");
return -ENOMEM;
@ -158,13 +159,10 @@ static int max8997_battery_probe(struct platform_device *pdev)
ret = power_supply_register(&pdev->dev, &charger->battery);
if (ret) {
dev_err(&pdev->dev, "failed: power supply register\n");
goto err;
return ret;
}
return 0;
err:
kfree(charger);
return ret;
}
static int max8997_battery_remove(struct platform_device *pdev)
@ -172,7 +170,6 @@ static int max8997_battery_remove(struct platform_device *pdev)
struct charger_data *charger = platform_get_drvdata(pdev);
power_supply_unregister(&charger->battery);
kfree(charger);
return 0;
}