Re: [PATCH 04/25] leds: convert LP3944 LED driver to devm_kzalloc()

From: Bryan Wu
Date: Wed Jul 04 2012 - 03:34:28 EST


On Wed, Jul 4, 2012 at 1:09 PM, Bryan Wu <bryan.wu@xxxxxxxxxxxxx> wrote:
> Cc: Antonio Ospite <ospite@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Bryan Wu <bryan.wu@xxxxxxxxxxxxx>
> ---
> drivers/leds/leds-lp3944.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/leds/leds-lp3944.c b/drivers/leds/leds-lp3944.c
> index b8f9f0a..e8b1021 100644
> --- a/drivers/leds/leds-lp3944.c
> +++ b/drivers/leds/leds-lp3944.c
> @@ -393,7 +393,8 @@ static int __devinit lp3944_probe(struct i2c_client *client,
> return -ENODEV;
> }
>
> - data = kzalloc(sizeof(struct lp3944_data), GFP_KERNEL);
> + data = devm_kzalloc(&pdev->dev, sizeof(struct lp3944_data),

Sorry, this should be "devm_kzalloc(&client->dev, sizeof(struct lp3944_data),"
I've put the right version in my devel branch.

Thanks,
-Bryan

> + GFP_KERNEL);
> if (!data)
> return -ENOMEM;
>
> @@ -403,10 +404,8 @@ static int __devinit lp3944_probe(struct i2c_client *client,
> mutex_init(&data->lock);
>
> err = lp3944_configure(client, data, lp3944_pdata);
> - if (err < 0) {
> - kfree(data);
> + if (err < 0)
> return err;
> - }
>
> dev_info(&client->dev, "lp3944 enabled\n");
> return 0;
> @@ -431,8 +430,6 @@ static int __devexit lp3944_remove(struct i2c_client *client)
> break;
> }
>
> - kfree(data);
> -
> return 0;
> }
>
> --
> 1.7.10.4
>
> --
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--
Bryan Wu <bryan.wu@xxxxxxxxxxxxx>
Kernel Developer +86.186-168-78255 Mobile
Canonical Ltd. www.canonical.com
Ubuntu - Linux for human beings | www.ubuntu.com
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