DMA_MAP_FREE      628 sound/oss/soundcard.c 	dma_alloc_map[chn] = DMA_MAP_FREE;
DMA_MAP_FREE      641 sound/oss/soundcard.c 	if (dma_alloc_map[chn] != DMA_MAP_FREE) {
DMA_MAP_FREE      667 sound/oss/soundcard.c 	dma_alloc_map[chn] = DMA_MAP_FREE;