[PATCH 10/14] power: max8997_charger: use devm_kzalloc()

From: Jingoo Han
Date: Mon Mar 11 2013 - 02:35:03 EST


Use devm_kzalloc() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/power/max8997_charger.c | 9 +++------
1 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/power/max8997_charger.c b/drivers/power/max8997_charger.c
index e757885..4bdedfe 100644
--- a/drivers/power/max8997_charger.c
+++ b/drivers/power/max8997_charger.c
@@ -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;
}

--
1.7.2.5


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