Hi Dmitry,
On Wed, 02 Dec 2009 01:24:25 -0800, Dmitry Torokhov
<dmitry.torokhov@xxxxxxxxx> wrote :
> diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
> index c284217..8868610 100644
> --- a/drivers/platform/x86/hp-wmi.c
> +++ b/drivers/platform/x86/hp-wmi.c
> @@ -411,14 +342,29 @@ static int __init hp_wmi_input_setup(void)
> hp_wmi_tablet_state());
> input_sync(hp_wmi_input_dev);
>
> - err = input_register_device(hp_wmi_input_dev);
> + err = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL);
> + if (err)
> + goto err_free_keymap;
>
> - if (err) {
> - input_free_device(hp_wmi_input_dev);
> - return err;
> - }
> + err = input_register_device(hp_wmi_input_dev);
> + if (err)
> + goto err_uninstall_notifier;
>
> return 0;
> +
> + err_uninstall_notifier:
> + wmi_remove_notify_handler(HPWMI_EVENT_GUID);
> + err_free_keymap:
> + (hp_wmi_input_dev);
> + err_free_dev:
> + input_free_device(hp_wmi_input_dev);
> + return err;
> +}
> +
> +static void __exit hp_wmi_input_destroy(void)
> +{
> + wmi_remove_notify_handler(HPWMI_EVENT_GUID);
> + input_unregister_device(hp_wmi_input_dev);
> }
I'm not sure if you're calling sparse_keymap_free on the exit path.
>
> static void cleanup_sysfs(struct platform_device *device)
> @@ -564,10 +509,9 @@ static int __init hp_wmi_init(void)
>
> static void __exit hp_wmi_exit(void)
> {
> - if (wmi_has_guid(HPWMI_EVENT_GUID)) {
> - wmi_remove_notify_handler(HPWMI_EVENT_GUID);
> - input_unregister_device(hp_wmi_input_dev);
> - }
> + if (wmi_has_guid(HPWMI_EVENT_GUID))
> + hp_wmi_input_destroy();
> +
> if (hp_wmi_platform_dev) {
> platform_device_del(hp_wmi_platform_dev);
> platform_driver_unregister(&hp_wmi_driver);
>
OK, I'm guilty, I copied my sparse keymap adaptation for msi-wmi from this
patch :-)
--
Anisse
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