static int __init capi_init()

in capi/capi.c [1380:1424]

• 38 lines of code
• 5 McCabe index (conditional complexity)

static int __init capi_init(void)
{
	const char *compileinfo;
	int major_ret;
	int ret;

	ret = kcapi_init();
	if (ret)
		return ret;

	major_ret = register_chrdev(capi_major, "capi20", &capi_fops);
	if (major_ret < 0) {
		printk(KERN_ERR "capi20: unable to get major %d\n", capi_major);
		kcapi_exit();
		return major_ret;
	}
	capi_class = class_create(THIS_MODULE, "capi");
	if (IS_ERR(capi_class)) {
		unregister_chrdev(capi_major, "capi20");
		kcapi_exit();
		return PTR_ERR(capi_class);
	}

	device_create(capi_class, NULL, MKDEV(capi_major, 0), NULL, "capi20");

	if (capinc_tty_init() < 0) {
		device_destroy(capi_class, MKDEV(capi_major, 0));
		class_destroy(capi_class);
		unregister_chrdev(capi_major, "capi20");
		kcapi_exit();
		return -ENOMEM;
	}

	proc_init();

#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
	compileinfo = " (middleware)";
#else
	compileinfo = " (no middleware)";
#endif
	printk(KERN_NOTICE "CAPI 2.0 started up with major %d%s\n",
	       capi_major, compileinfo);

	return 0;
}