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

From: Oliver Neukum
Date: Wed Apr 17 2013 - 06:30:15 EST


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.

Regards
Oliver

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