iokit/Kernel/IODMACommand.cpp

448     UInt32       numSegments;
465 	    numSegments = 0-1;
466 	    ret = genIOVMSegments(op, segmentOp, (void *)(uintptr_t) op, &offset, state, &numSegments);
501 		numSegments = 0-1;
502 		ret = genIOVMSegments(op, segmentOp, (void *)(uintptr_t) op, &offset, state, &numSegments);
537 		numSegments = 0-1;
538 		ret = genIOVMSegments(op, segmentOp, (void *)(uintptr_t) op, &offset, state, &numSegments);
945     UInt32                      numSegments = 0-1;
958     (void) genIOVMSegments(kWalkClient, transferSegment, &context, &offset, &segments[0], &numSegments);
1022     UInt32    numSegments = *numSegmentsP;
1188             if ((segIndex + 1 == numSegments))