---
name: "pci_check_and_unmask_intx"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/pci_check_and_unmask_intx"
---

# pci\_check\_and\_unmask\_intx(9)

unmask INTx if no interrupt is pending

## NAME

pci\_check\_and\_unmask\_intx - unmask INTx if no interrupt is pending

## SYNOPSIS

**bool pci\_check\_and\_unmask\_intx(struct pci\_dev \*** *dev***);**

## ARGUMENTS

*dev*

the PCI device to operate on

## DESCRIPTION

Check if the device dev has its INTx line asserted, unmask it if not and return true. False is returned and the mask remains active if there was still an interrupt pending.

## COPYRIGHT