regulator: virtual: Convert to use devm_* APIs
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/virtual.c b/drivers/regulator/virtual.c
index ee0b161..f74a68f 100644
--- a/drivers/regulator/virtual.c
+++ b/drivers/regulator/virtual.c
@@ -291,18 +291,19 @@
struct virtual_consumer_data *drvdata;
int ret;
- drvdata = kzalloc(sizeof(struct virtual_consumer_data), GFP_KERNEL);
+ drvdata = devm_kzalloc(&pdev->dev, sizeof(struct virtual_consumer_data),
+ GFP_KERNEL);
if (drvdata == NULL)
return -ENOMEM;
mutex_init(&drvdata->lock);
- drvdata->regulator = regulator_get(&pdev->dev, reg_id);
+ drvdata->regulator = devm_regulator_get(&pdev->dev, reg_id);
if (IS_ERR(drvdata->regulator)) {
ret = PTR_ERR(drvdata->regulator);
dev_err(&pdev->dev, "Failed to obtain supply '%s': %d\n",
reg_id, ret);
- goto err;
+ return ret;
}
ret = sysfs_create_group(&pdev->dev.kobj,
@@ -310,7 +311,7 @@
if (ret != 0) {
dev_err(&pdev->dev,
"Failed to create attribute group: %d\n", ret);
- goto err_regulator;
+ return ret;
}
drvdata->mode = regulator_get_mode(drvdata->regulator);
@@ -318,12 +319,6 @@
platform_set_drvdata(pdev, drvdata);
return 0;
-
-err_regulator:
- regulator_put(drvdata->regulator);
-err:
- kfree(drvdata);
- return ret;
}
static int __devexit regulator_virtual_remove(struct platform_device *pdev)
@@ -334,9 +329,6 @@
if (drvdata->enabled)
regulator_disable(drvdata->regulator);
- regulator_put(drvdata->regulator);
-
- kfree(drvdata);
platform_set_drvdata(pdev, NULL);