Re: [PATCH] mfd: Don't leak init_data in tps65910_i2c_probe

From: Graeme Gregory
Date: Tue Jul 05 2011 - 18:55:01 EST


On 07/05/2011 11:29 PM, Jesper Juhl wrote:
> On Tue, 5 Jul 2011, Jesper Juhl wrote:
>
>> On Mon, 4 Jul 2011, Samuel Ortiz wrote:
>>
> [...]
>>> This is not a memory leak fix. And I actually prefer the == NULL check.
>>> Please remove the == NULL check replacement with !* and keep only the memory
>>> leak fixing part.
>>>
> Here's an updated patch.
>
>
> From: Jesper Juhl <jj@xxxxxxxxxxxxx>
> Subject: [PATCH] mfd: Don't leak init_data in tps65910_i2c_probe
>
> There are a couple of situations where we leak init_data in
> drivers/mfd/tps65910.c:tps65910_i2c_probe() - this patch should take
> care of them.
>
> Signed-off-by: Jesper Juhl <jj@xxxxxxxxxxxxx>
> ---
> drivers/mfd/tps65910.c | 6 +++++-
> 1 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
> index 2229e66..7a3eb2d 100644
> --- a/drivers/mfd/tps65910.c
> +++ b/drivers/mfd/tps65910.c
> @@ -151,8 +151,10 @@ static int tps65910_i2c_probe(struct i2c_client *i2c,
> init_data->irq_base = pmic_plat_data->irq;
>
> tps65910 = kzalloc(sizeof(struct tps65910), GFP_KERNEL);
> - if (tps65910 == NULL)
> + if (tps65910 == NULL) {
> + kfree(init_data);
> return -ENOMEM;
> + }
>
> i2c_set_clientdata(i2c, tps65910);
> tps65910->dev = &i2c->dev;
> @@ -174,11 +176,13 @@ static int tps65910_i2c_probe(struct i2c_client *i2c,
> if (ret < 0)
> goto err;
>
> + kfree(init_data);
> return ret;
>
> err:
> mfd_remove_devices(tps65910->dev);
> kfree(tps65910);
> + kfree(init_data);
> return ret;
> }
>
Sorry didnt reply to this first time round.

Acked-by: Graeme Gregory <gg@xxxxxxxxxxxxxxx>

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