---
name: "i2o_msg_nop"
section: "9"
platform: "linux"
package: "linux-manual-3.16"
version: "3.16.56-1+deb8u1"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/i2o_msg_nop"
---

# i2o\_msg\_nop(9)

Returns a message which is not used

## NAME

i2o\_msg\_nop - Returns a message which is not used

## SYNOPSIS

**void i2o\_msg\_nop(struct i2o\_controller \*** *c***, struct i2o\_message \*** *msg***);**

## ARGUMENTS

*c*

I2O controller from which the message was created

*msg*

message which should be returned

## DESCRIPTION

If you fetch a message via i2o\_msg\_get, and can't use it, you must return the message with this function. Otherwise the MFA is lost as well as the allocated memory from the mempool.

## COPYRIGHT