in uio_sercos3.c [180:192]
static void sercos3_pci_remove(struct pci_dev *dev)
{
struct uio_info *info = pci_get_drvdata(dev);
int i;
uio_unregister_device(info);
pci_release_regions(dev);
pci_disable_device(dev);
for (i = 0; i < 5; i++) {
if (info->mem[i].internal_addr)
iounmap(info->mem[i].internal_addr);
}
}