__out __drv_deref()

in src/framework/kmdf/inc/private/fxdmatransactionpacket.hpp [258:262]

• 5 lines of code
• 1 McCabe index (conditional complexity)

        __out __drv_deref(__drv_savesIRQL) KIRQL *OldIrql
        )
    {
        Lock(OldIrql);
    }