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staging: speakup: fix failure handling

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fix the failure handling in kobjects and the main function so that we
release the virtual keyboard if we exit due to another failure.

Signed-off-by: William Hubbs <w.d.hubbs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
William Hubbs 2010-12-16 13:26:58 -06:00 committed by Greg Kroah-Hartman
parent 7571f089d7
commit 7959d55679
2 changed files with 27 additions and 15 deletions
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9
drivers/staging/speakup/kobjects.c
View file

@ -984,8 +984,10 @@ int speakup_kobj_init(void)
* not known ahead of time.
*/
accessibility_kobj = kobject_create_and_add("accessibility", NULL);
if (!accessibility_kobj)
return -ENOMEM;
if (!accessibility_kobj) {
retval = -ENOMEM;
goto out;
}
speakup_kobj = kobject_create_and_add("speakup", accessibility_kobj);
if (!speakup_kobj) {
@ -1002,7 +1004,7 @@ int speakup_kobj_init(void)
if (retval)
goto err_group;
return 0;
goto out;
err_group:
sysfs_remove_group(speakup_kobj, &main_attr_group);
@ -1010,6 +1012,7 @@ err_speakup:
kobject_put(speakup_kobj);
err_acc:
kobject_put(accessibility_kobj);
out:
return retval;
}

33
drivers/staging/speakup/main.c
View file

@ -2253,17 +2253,17 @@ static int __init speakup_init(void)
err = speakup_add_virtual_keyboard();
if (err)
return err;
goto out;
initialize_msgs(); /* Initialize arrays for i18n. */
first_console = kzalloc(sizeof(*first_console), GFP_KERNEL);
if (!first_console)
return -ENOMEM;
err = speakup_kobj_init();
if (err) {
kfree(first_console);
return err;
if (!first_console) {
err = -ENOMEM;
goto err_cons;
}
err = speakup_kobj_init();
if (err)
goto err_kobject;
reset_default_chars();
reset_default_chartab();
@ -2299,11 +2299,20 @@ static int __init speakup_init(void)
speakup_task = kthread_create(speakup_thread, NULL, "speakup");
set_user_nice(speakup_task, 10);
if (!IS_ERR(speakup_task))
wake_up_process(speakup_task);
else
return -ENOMEM;
return 0;
if (IS_ERR(speakup_task)) {
err = -ENOMEM;
goto err_kobject;
}
wake_up_process(speakup_task);
goto out;
err_kobject:
speakup_kobj_exit();
kfree(first_console);
err_cons:
speakup_remove_virtual_keyboard();
out:
return err;
}
module_init(speakup_init);