From deacc4fe57794f80ad4449c7cea611921c2d0420 Mon Sep 17 00:00:00 2001 From: Devendra Naga Date: Mon, 30 Jul 2012 16:29:33 +0545 Subject: [PATCH] ds2781_battery: Replace call to kzalloc with devm_kzalloc With devm_kzalloc there is no need of freeing at the errorpath and also at unregister it. Signed-off-by: Devendra Naga Signed-off-by: Anton Vorontsov --- drivers/power/ds2781_battery.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/drivers/power/ds2781_battery.c b/drivers/power/ds2781_battery.c index 88e304aea2dc..22b3c8c93552 100644 --- a/drivers/power/ds2781_battery.c +++ b/drivers/power/ds2781_battery.c @@ -755,11 +755,9 @@ static int __devinit ds2781_battery_probe(struct platform_device *pdev) int ret = 0; struct ds2781_device_info *dev_info; - dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL); - if (!dev_info) { - ret = -ENOMEM; - goto fail; - } + dev_info = devm_kzalloc(&pdev->dev, sizeof(*dev_info), GFP_KERNEL); + if (!dev_info) + return -ENOMEM; platform_set_drvdata(pdev, dev_info); @@ -774,7 +772,7 @@ static int __devinit ds2781_battery_probe(struct platform_device *pdev) ret = power_supply_register(&pdev->dev, &dev_info->bat); if (ret) { dev_err(dev_info->dev, "failed to register battery\n"); - goto fail_free_info; + goto fail; } ret = sysfs_create_group(&dev_info->bat.dev->kobj, &ds2781_attr_group); @@ -808,8 +806,6 @@ fail_remove_group: sysfs_remove_group(&dev_info->bat.dev->kobj, &ds2781_attr_group); fail_unregister: power_supply_unregister(&dev_info->bat); -fail_free_info: - kfree(dev_info); fail: return ret; } @@ -823,7 +819,6 @@ static int __devexit ds2781_battery_remove(struct platform_device *pdev) power_supply_unregister(&dev_info->bat); - kfree(dev_info); return 0; }