- return dev->dma_ops ?
- dev->dma_ops->map_page(dev, page, offset, size, direction) :
- dma_map_page(dev->dma_device, page, offset, size, direction);
+ if (dev->dma_ops)
+ return dev->dma_ops->map_page(dev, page, offset, size, direction);
+ return dma_map_page(dev->dma_device, page, offset, size, direction);