[appleir] BUG: unable to handle kernel NULL pointer dereference

[Luis Henriques]

Hi,

James has reported a NULL pointer dereference[1] on the appleir
driver.  From the bug report[2] it looks like it is 100%
reproducible using a 3.12-rc6 kernel simply by pressing any button on
the IR remote.

>From the stack trace, it looks like input_event is invoked with the
input_dev parameter set to NULL, which seems to indicate that
appleir_input_configured is never invoked.

Any ideas?

[1] https://launchpadlibrarian.net/154942024/macmini-oops.jpg
[2] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1244505

Cheers,
--
Luis
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