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authorAxel Lin <axel.lin@gmail.com>2010-08-06 13:33:15 +0800
committerLiam Girdwood <lrg@slimlogic.co.uk>2010-08-11 11:38:02 +0100
commit7c4c25e4bc37672e68d1c480a81fcb0efe6d2006 (patch)
tree210ce0ab1d7f6753d05bb4d36b2a8270ad6c95ad /drivers/regulator
parentc4604e49c1a5832a58789a22eba7ca982933e1be (diff)
regulator: max1586 - fix a memory leak in max1586_pmic_remove()
In max1586_pmic_probe(), we allocate memory for max1586. In max1586_pmic_remove(), current implementation only free rdev which is a member of struct max1586_data. Thus, there is a small memory leak when we unload the module. This patch fixes the memory leak by passing max1586 to i2c clientdata, and properly kfree(max1586) in max1586_pmic_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> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/max1586.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 2b54d9d75f11..8867c2710a6d 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -223,7 +223,7 @@ static int __devinit max1586_pmic_probe(struct i2c_client *client,
}
}
- i2c_set_clientdata(client, rdev);
+ i2c_set_clientdata(client, max1586);
dev_info(&client->dev, "Maxim 1586 regulator driver loaded\n");
return 0;
@@ -238,13 +238,13 @@ out:
static int __devexit max1586_pmic_remove(struct i2c_client *client)
{
- struct regulator_dev **rdev = i2c_get_clientdata(client);
+ struct max1586_data *max1586 = i2c_get_clientdata(client);
int i;
for (i = 0; i <= MAX1586_V6; i++)
- if (rdev[i])
- regulator_unregister(rdev[i]);
- kfree(rdev);
+ if (max1586->rdev[i])
+ regulator_unregister(max1586->rdev[i]);
+ kfree(max1586);
return 0;
}