On Tue, Jan 27, 2015 at 09:21:09PM -0500, Boris Ostrovsky wrote:
> Commits 65cef1311d5d ("x86, microcode: Add a disable chicken bit") and
> a18a0f6850d4 ("x86, microcode: Don't initialize microcode code on
> paravirt") allow microcode driver skip initialization when microcode
> loading is not permitted.
>
> However, they don't prevent the driver from being loaded since the
> init code returns 0. If at some point later the driver gets unloaded
> this will result in an oops while trying to deregister the (never
> registered) device.
>
> To avoid this, make init code return an error on paravirt or when
> microcode loading is disabled. The driver will then never be loaded.
>
> Signed-off-by: Boris Ostrovsky <boris.ostrov...@oracle.com>
> Reported-by: James Digwall <ja...@dingwall.me.uk>
> Cc: sta...@vger.kernel.org # 3.18
Applied, thanks.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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