From 53a4befa4e3d1490a63dae1ac03a2e7c865b2f53 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Fri, 6 Aug 2010 13:35:27 +0800
Subject: regulator: max8660 - fix a memory leak in max8660_remove()

In max8660_probe(), we allocate memory for max660.
In max8660_remove(), current implementation only free rdev
which is a member of struct max8660.
Thus, there is a small memory leak when we unload the module.

This patch fixes the memory leak by passing max660 to i2c clientdata,
and properly kfree(max8660) in max8660_remove().

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
index d97220e..c570e6e 100644
--- a/drivers/regulator/max8660.c
+++ b/drivers/regulator/max8660.c
@@ -450,7 +450,7 @@ static int __devinit max8660_probe(struct i2c_client *client,
 		}
 	}
 
-	i2c_set_clientdata(client, rdev);
+	i2c_set_clientdata(client, max8660);
 	dev_info(&client->dev, "Maxim 8660/8661 regulator driver loaded\n");
 	return 0;
 
@@ -465,13 +465,13 @@ out:
 
 static int __devexit max8660_remove(struct i2c_client *client)
 {
-	struct regulator_dev **rdev = i2c_get_clientdata(client);
+	struct max8660 *max8660 = i2c_get_clientdata(client);
 	int i;
 
 	for (i = 0; i < MAX8660_V_END; i++)
-		if (rdev[i])
-			regulator_unregister(rdev[i]);
-	kfree(rdev);
+		if (max8660->rdev[i])
+			regulator_unregister(max8660->rdev[i]);
+	kfree(max8660);
 
 	return 0;
 }
-- 
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