Re: [PATCH v2] HID: appleir: add support for Apple ir devices

From: Benjamin Tissoires
Date: Wed Apr 17 2013 - 12:09:13 EST


On 04/17/2013 12:30 PM, Oliver Neukum wrote:
> On Wednesday 17 April 2013 11:03:09 Benjamin Tissoires wrote:
>
>> +static void appleir_remove(struct hid_device *hid)
>> +{
>> + struct appleir *appleir = hid_get_drvdata(hid);
>> + del_timer_sync(&appleir->key_up_timer);
>> + hid_hw_stop(hid);
>> + kfree(appleir);
>> +}
>
> Hi,
>
> this looks like a race condition. If you get input between
> del_timer_sync() and hid_hw_stop() the timer may be restarted.
> You need to stop the hw first.
>

ouch. Thanks for spotting this.
Will send a v3 soon.

Cheers,
Benjamin

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