int dma_region_mmap(struct dma_region *dma, struct file *file, struct vm_area_struct *vma) 
int dma_region_mmap(struct dma_region *dma, struct file *file, struct vm_area_struct *vma) 
int dma_region_mmap(struct dma_region *dma, struct file *file, struct vm_area_struct *vma){	return -EINVAL;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/6649e92d792efa00a823781bcee2dba7f21199ba/dma.c/buggy/drivers/ieee1394/dma.c