QLA2XXX_APIDEV
apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
"Unable to register char device %s.\n", QLA2XXX_APIDEV);
unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
unregister_chrdev(apidev_major, QLA2XXX_APIDEV);