#endif 
static struct dma_mapping_ops *get_dma_ops(struct device *dev){	if (dev->bus == &pci_bus_type)		return &pci_dma_ops;#ifdef CONFIG_IBMVIO	if (dev->bus == &vio_bus_type)		return &vio_dma_ops;#endif	return NULL;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/145d01e4287b8cbf50f87c3283e33bf5c84e8468/dma.c/buggy/arch/ppc64/kernel/dma.c