The FrameBuffer used to track any addition to the request in an under-run event was shadowed against the returned buffer, being placed back on the availableBuffers_ queue. Rename the shadowed variable to be more explicit that it is a separate Buffer. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>