[PATCH] dix: fix crash when removing devices on a buttonless MD pointer (#29669)

[Keith Packard]

On Mon, 23 Aug 2010 13:29:50 +1000, Peter Hutterer <peter.hutterer at who-t.net> wrote:
> If the master does not have a button class, recalculating the number of
> buttons required for this master dereferences a NULL pointer. Guard against
> this, if the master pointer doesn't have a button class, it doesn't need to
> update it's number of buttons.

Don't you still need to send the event though?

-- 
keith.packard at intel.com
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