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A WarpPointer request may trigger a motion event on a device without valuators. That request is ignored by GetPointerEvents but during smooth scroll emulation we dereference dev->valuators to get the number of axes. Break out early if the device doesn't have valuators. Signed-off-by: Michal Suchanek <hramrach@gmail.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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