Re: [PATCH] toshiba_acpi: FULL TOS1900 device support

From: Dmitry Torokhov
Date: Wed Dec 15 2010 - 03:10:59 EST


Hi Azael,

On Fri, Dec 10, 2010 at 05:06:09PM -0700, Azael Avalos wrote:
>
> - err_remove_notify:
> - acpi_remove_notify_handler(toshiba_acpi.handle,
> - ACPI_DEVICE_NOTIFY, toshiba_acpi_notify);
> - err_free_keymap:
> +err_free_keymap:
> sparse_keymap_free(toshiba_acpi.hotkey_dev);
> - err_free_dev:
> + if (toshiba_acpi.hci_type == 2)
> + i8042_remove_filter(toshiba_i8042_filter);

You need to remove filter before you free the keymap. Also
cancel_work_sync() is needed.

> +err_free_dev:
> input_free_device(toshiba_acpi.hotkey_dev);
> toshiba_acpi.hotkey_dev = NULL;
> return error;
> }
>

...

> +static int toshiba_acpi_remove(struct acpi_device *device, int type)
> +{
> + if (toshiba_acpi.hci_type == 2)
> + i8042_remove_filter(toshiba_i8042_filter);

You also need to call cancel_work_sync() here to make sure the work is
not running while you are tearing down the device.

> +
> + toshiba_acpi_cleanup();
> +
> + return 0;
> +}
> +

Thanks.

--
Dmitry
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