regulator: twl: Convert to use devm_kmemdup()

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

drivers/regulator/twl-regulator.c

@@ -1128,7 +1128,7 @@ static int twlreg_probe(struct platform_device *pdev)
 	if (!initdata)
 		return -EINVAL;
 
-	info = kmemdup(template, sizeof(*info), GFP_KERNEL);
+	info = devm_kmemdup(&pdev->dev, template, sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
@@ -1192,7 +1192,6 @@ static int twlreg_probe(struct platform_device *pdev)
 	if (IS_ERR(rdev)) {
 		dev_err(&pdev->dev, "can't register %s, %ld\n",
 				info->desc.name, PTR_ERR(rdev));
-		kfree(info);
 		return PTR_ERR(rdev);
 	}
 	platform_set_drvdata(pdev, rdev);
@@ -1212,20 +1211,10 @@ static int twlreg_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int twlreg_remove(struct platform_device *pdev)
-{
-	struct regulator_dev *rdev = platform_get_drvdata(pdev);
-	struct twlreg_info *info = rdev->reg_data;
-
-	kfree(info);
-	return 0;
-}
-
 MODULE_ALIAS("platform:twl_reg");
 
 static struct platform_driver twlreg_driver = {
 	.probe		= twlreg_probe,
-	.remove		= twlreg_remove,
 	/* NOTE: short name, to work around driver model truncation of
 	 * "twl_regulator.12" (and friends) to "twl_regulator.1".
 	 */