santa-driver: Ensure fSDM and fDataQueue are NULL'd ASAP.
santa-driver: Ensure fSDM and fDataQueue are NULL'd ASAP.

tburgin/santa,russellhancox/santa,mcastilho/santa,tburgin/santa,mcastilho/santa,tburgin/santa,russellhancox/santa,russellhancox/santa,google/santa,google/santa,mcastilho/santa,google/santa