diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/platform/x86/dell-wmi.c | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 6561dfc028e..916ccb2b316 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -325,37 +325,34 @@ static int __init dell_wmi_init(void) int err; if (wmi_has_guid(DELL_EVENT_GUID)) { + printk(KERN_WARNING "dell-wmi: No known WMI GUID found\n"); + return -ENODEV; + } - dmi_walk(find_hk_type, NULL); - - err = dell_wmi_input_setup(); - - if (err) - return err; - - err = wmi_install_notify_handler(DELL_EVENT_GUID, - dell_wmi_notify, NULL); - if (err) { - input_unregister_device(dell_wmi_input_dev); - printk(KERN_ERR "dell-wmi: Unable to register" - " notify handler - %d\n", err); - return err; - } + dmi_walk(find_hk_type, NULL); + acpi_video = acpi_video_backlight_support(); - acpi_video = acpi_video_backlight_support(); + err = dell_wmi_input_setup(); + if (err) + return err; - } else - printk(KERN_WARNING "dell-wmi: No known WMI GUID found\n"); + err = wmi_install_notify_handler(DELL_EVENT_GUID, + dell_wmi_notify, NULL); + if (err) { + input_unregister_device(dell_wmi_input_dev); + printk(KERN_ERR + "dell-wmi: Unable to register notify handler - %d\n", + err); + return err; + } return 0; } static void __exit dell_wmi_exit(void) { - if (wmi_has_guid(DELL_EVENT_GUID)) { - wmi_remove_notify_handler(DELL_EVENT_GUID); - input_unregister_device(dell_wmi_input_dev); - } + wmi_remove_notify_handler(DELL_EVENT_GUID); + input_unregister_device(dell_wmi_input_dev); } module_init(dell_wmi_init); |