static int __init speakup_init()

in speakup/main.c [2349:2454]

• 78 lines of code
• 18 McCabe index (conditional complexity)

static int __init speakup_init(void)
{
	int i;
	long err = 0;
	struct vc_data *vc = vc_cons[fg_console].d;
	struct var_t *var;

	/* These first few initializations cannot fail. */
	spk_initialize_msgs();	/* Initialize arrays for i18n. */
	spk_reset_default_chars();
	spk_reset_default_chartab();
	spk_strlwr(synth_name);
	spk_vars[0].u.n.high = vc->vc_cols;
	for (var = spk_vars; var->var_id != MAXVARS; var++)
		speakup_register_var(var);
	for (var = synth_time_vars;
	     (var->var_id >= 0) && (var->var_id < MAXVARS); var++)
		speakup_register_var(var);
	for (i = 1; spk_punc_info[i].mask != 0; i++)
		spk_set_mask_bits(NULL, i, 2);

	spk_set_key_info(spk_key_defaults, spk_key_buf);

	/* From here on out, initializations can fail. */
	err = speakup_add_virtual_keyboard();
	if (err)
		goto error_virtkeyboard;

	for (i = 0; i < MAX_NR_CONSOLES; i++)
		if (vc_cons[i].d) {
			err = speakup_allocate(vc_cons[i].d, GFP_KERNEL);
			if (err)
				goto error_kobjects;
		}

	if (spk_quiet_boot)
		spk_shut_up |= 0x01;

	err = speakup_kobj_init();
	if (err)
		goto error_kobjects;

	spk_ttyio_register_ldisc();
	synth_init(synth_name);
	speakup_register_devsynth();
	/*
	 * register_devsynth might fail, but this error is not fatal.
	 * /dev/synth is an extra feature; the rest of Speakup
	 * will work fine without it.
	 */

	err = register_keyboard_notifier(&keyboard_notifier_block);
	if (err)
		goto error_kbdnotifier;
	err = register_vt_notifier(&vt_notifier_block);
	if (err)
		goto error_vtnotifier;

	speakup_task = kthread_create(speakup_thread, NULL, "speakup");

	if (IS_ERR(speakup_task)) {
		err = PTR_ERR(speakup_task);
		goto error_task;
	}

	set_user_nice(speakup_task, 10);
	wake_up_process(speakup_task);

	pr_info("speakup %s: initialized\n", SPEAKUP_VERSION);
	pr_info("synth name on entry is: %s\n", synth_name);
	goto out;

error_task:
	unregister_vt_notifier(&vt_notifier_block);

error_vtnotifier:
	unregister_keyboard_notifier(&keyboard_notifier_block);
	del_timer(&cursor_timer);

error_kbdnotifier:
	speakup_unregister_devsynth();
	mutex_lock(&spk_mutex);
	synth_release();
	mutex_unlock(&spk_mutex);
	speakup_kobj_exit();

error_kobjects:
	for (i = 0; i < MAX_NR_CONSOLES; i++)
		kfree(speakup_console[i]);

	speakup_remove_virtual_keyboard();

error_virtkeyboard:
	for (i = 0; i < MAXVARS; i++)
		speakup_unregister_var(i);

	for (i = 0; i < 256; i++) {
		if (spk_characters[i] != spk_default_chars[i])
			kfree(spk_characters[i]);
	}

	spk_free_user_msgs();

out:
	return err;
}