linux-kernel - Re: [PATCH v6] Bluetooth: btwilink driver

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Message-ID: <AANLkTik0WAK9QvDeXWb7n07TPAadXn6fYsYgjjfUE0uJ@mail.gmail.com>
Date:	Tue, 23 Nov 2010 18:07:11 +0530
From:	Pavan Savoy <pavan_savoy@...y.com>
To:	Dan Carpenter <error27@...il.com>, pavan_savoy@...com,
	marcel@...tmann.org, padovan@...fusion.mobi,
	linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6] Bluetooth: btwilink driver

Dan, Marcel, Gustavo,

On Mon, Nov 22, 2010 at 10:16 PM, Dan Carpenter <error27@...il.com> wrote:
> On Mon, Nov 22, 2010 at 06:08:45AM -0500, pavan_savoy@...com wrote:
>> +static int bt_ti_probe(struct platform_device *pdev)
>> +{
>> +     static struct ti_st *hst;
>> +     struct hci_dev *hdev;
>> +     int err;
>> +
>> +     hst = kzalloc(sizeof(struct ti_st), GFP_KERNEL);
>> +     if (!hst)
>> +             return -ENOMEM;
>> +
>> +     /* Expose "hciX" device to user space */
>> +     hdev = hci_alloc_dev();
>> +     if (!hdev) {
>> +             kfree(hst);
>> +             return -ENOMEM;
>> +     }
>> +
>> +     BT_DBG("hdev %p", hdev);
>> +
>> +     hst->hdev = hdev;
>> +     hdev->bus = HCI_UART;
>> +     hdev->driver_data = hst;
>> +     hdev->open = ti_st_open;
>> +     hdev->close = ti_st_close;
>> +     hdev->flush = NULL;
>> +     hdev->send = ti_st_send_frame;
>> +     hdev->destruct = ti_st_destruct;
>> +     hdev->owner = THIS_MODULE;
>> +
>> +     err = hci_register_dev(hdev);
>> +     if (err < 0) {
>> +             BT_ERR("Can't register HCI device error %d", err);
>> +             hci_free_dev(hdev);
>
>        Should there be a kfree(hst); here?  That's how it's done in
>        bpa10x_probe() from drivers/bluetooth/bpa10x.c
>
>> +             return err;
>> +     }
>> +
>> +     BT_DBG(" HCI device registered (hdev %p)", hdev);
>                ^
>        Quite a few places have an extra space at the start.
>
>> +
>> +     dev_set_drvdata(&pdev->dev, hst);
>> +     return err;
>> +}
>
> regards,
> dan carpenter

Thanks Dan for the comments,
Marcel, Gustavo - Please provide your comments too... So I can bundle
them all and post a v7 ....

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