/* Returns the 0 on success or negative error code on failure.  */
int i2o_dma_realloc(struct device *dev, struct i2o_dma *addr, size_t len)
/* Returns the 0 on success or negative error code on failure.  */
int i2o_dma_realloc(struct device *dev, struct i2o_dma *addr, size_t len)
{
	i2o_dma_free(dev, addr);
	if (len)
		return i2o_dma_alloc(dev, addr, len);
	return 0;
}