max8997_charger: Use devm_kzalloc()
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>
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 @@
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 @@
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 @@
struct charger_data *charger = platform_get_drvdata(pdev);
power_supply_unregister(&charger->battery);
- kfree(charger);
return 0;
}