Re: [appleir] BUG: unable to handle kernel NULL pointerdereference

From: Jiri Kosina
Date: Tue Nov 19 2013 - 09:33:58 EST


On Thu, 7 Nov 2013, Benjamin Tissoires wrote:

> >> [ adding some more CCs ]
> >>
> >> Okay, so apparently we didn't register with input, but only hiddev /
> >> hidraw.
> >>
> >> appleir 0003:05AC:8240.0005: hiddev0,hidraw4: USB HID v1.11 Device [Apple Computer, Inc. IR Receiver] on usb-0000:00:1d.3-2/input0
> >>
> >> Therefore ->input_configured() callback has never been called, and thus we
> >> oops due to appleir->input_dev being NULL when the first raw event is
> >> reported.
> >>
> >> Could you please provide report descriptor of the device?
> >>
> >> The driver apparently relies on it being registered with hid-input, but
> >> for some reason that doesn't happen.
> >
> > Here is the relevant lsusb output that I think contains what you're
> > asking for (I had to unbind usbhid for it to include the descriptor):
> >
> > Bus 005 Device 003: ID 05ac:8240 Apple, Inc. Built-in IR Receiver
> > Device Descriptor:
> > bLength 18
> > bDescriptorType 1
> > bcdUSB 2.00
> > ...
>
> Ok, thanks for the report. Could you please test the following patch
> which should solve your problem (hopefully)?

James,

any reults from testing Benjamin's patch, please?

--
Jiri Kosina
SUSE Labs
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