linux-kernel - Re: [PATCH 08/10] HID: move apple quirks

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Date:	Mon, 09 Jun 2008 12:40:42 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	Jiri Kosina <jkosina@...e.cz>
CC:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org, marcel@...tmann.org,
	linux-kernel@...r.kernel.org, anssi.hannula@...il.com
Subject: Re: [PATCH 08/10] HID: move apple quirks

On 06/04/2008 04:13 PM, Jiri Kosina wrote:
> On Fri, 16 May 2008, Jiri Slaby wrote:
> 
> 
>> +static int apple_probe(struct hid_device *hdev,
>> +		const struct hid_device_id *id)
>> +{
>> +	unsigned long quirks = id->driver_data;
>> +	struct apple_sc *asc;
>> +	int ret;
>> +
>> +	/* return something else or move to hid layer? device will reside
>> +	   allocated */
>> +	if (id->bus == BUS_USB && (id->driver_data & APPLE_IGNORE_MOUSE) &&
>> +			to_usb_interface(hdev->dev.parent)->cur_altsetting->
>> +			desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
>> +		return -ENODEV;
>> +
>> +	asc = kzalloc(sizeof(*asc), GFP_KERNEL);
>> +	if (asc == NULL) {
>> +		dev_err(&hdev->dev, "can't alloc apple descriptor\n");
>> +		return -ENOMEM;
>> +	}
>> +
>> +	hid_set_drvdata(hdev, asc);
>> +
>> +	if (quirks & APPLE_HIDDEV)
>> +		hdev->quirks |= HID_QUIRK_HIDDEV;
>> +	if (quirks & APPLE_IGNORE_HIDINPUT)
>> +		hdev->quirks |= HID_QUIRK_IGNORE_HIDINPUT;
>> +
>> +	ret = hid_parse(hdev);
>> +	if (ret) {
>> +		dev_err(&hdev->dev, "parse failed\n");
>> +		goto err_free;
>> +	}
>> +
>> +	ret = hid_hw_start(hdev);
>> +	if (ret) {
>> +		dev_err(&hdev->dev, "hw start failed\n");
>> +		goto err_free;
>> +	}
>> +
>> +	return 0;
>> +err_free:
>> +	kfree(asc);
>> +	return ret;
>> +}
> 
> Hi Jiri,
> 
> you don't seem to set asc->quirks anywhere, but the rest of the code is 
> testing this flag. Is something like
> 
> 	asc->quirks = id->driver_data;
> 
> missing in the _probe routine?

Blah, good catch! Do you want me to post a patch, or will you fix this on your own?
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