---
name: "i2o_dma_free"
section: "9"
platform: "linux"
package: "linux-manual-2.6.26"
version: "2.6.26-29"
release: "Debian 5.0 (Lenny)"
platforms: ["linux"]
url: "https://new.carta.tech/i2o_dma_free"
---

# i2o\_dma\_free(9)

Free DMA memory

## NAME

i2o\_dma\_free - Free DMA memory

## SYNOPSIS

**void i2o\_dma\_free(struct device \*** *dev***, struct i2o\_dma \*** *addr***);**

## ARGUMENTS

*dev*

struct device pointer to the PCI device of the I2O controller

*addr*

i2o\_dma struct which contains the DMA buffer

## DESCRIPTION

Free a coherent DMA memory and set virtual address of addr to NULL.

## COPYRIGHT