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From: Jonathan Woithe on 1 Jul 2010 22:20
> input_free_device should only be used if input_register_device()
> was not called yet or if it failed.
>
> This patch removes unnecessary input_free_device calls.

Yes, indeed. Good catch. The patch looks good to me - thanks.

Acked-by: Jonathan Woithe <jwoithe(a)physics.adelaide.edu.au>

> Signed-off-by: Axel Lin <axel.lin(a)gmail.com>
> ---
> drivers/platform/x86/fujitsu-laptop.c | 21 ++++++++-------------
> 1 files changed, 8 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
> index e325aeb..dab1a0e 100644
> --- a/drivers/platform/x86/fujitsu-laptop.c
> +++ b/drivers/platform/x86/fujitsu-laptop.c
> @@ -686,8 +686,10 @@ static int acpi_fujitsu_add(struct acpi_device *device)
> set_bit(KEY_UNKNOWN, input->keybit);
>
> error = input_register_device(input);
> - if (error)
> - goto err_free_input_dev;
> + if (error) {
> + input_free_device(input);
> + goto err_stop;
> + }
>
> result = acpi_bus_get_power(fujitsu->acpi_handle, &state);
> if (result) {
> @@ -725,8 +727,6 @@ static int acpi_fujitsu_add(struct acpi_device *device)
>
> err_unregister_input_dev:
> input_unregister_device(input);
> -err_free_input_dev:
> - input_free_device(input);
> err_stop:
> return result;
> }
> @@ -737,9 +737,6 @@ static int acpi_fujitsu_remove(struct acpi_device *device, int type)
> struct input_dev *input = fujitsu->input;
>
> input_unregister_device(input);
> -
> - input_free_device(input);
> -
> fujitsu->acpi_handle = NULL;
>
> return 0;
> @@ -855,8 +852,10 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
> set_bit(KEY_UNKNOWN, input->keybit);
>
> error = input_register_device(input);
> - if (error)
> - goto err_free_input_dev;
> + if (error) {
> + input_free_device(input);
> + goto err_free_fifo;
> + }
>
> result = acpi_bus_get_power(fujitsu_hotkey->acpi_handle, &state);
> if (result) {
> @@ -930,8 +929,6 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
>
> err_unregister_input_dev:
> input_unregister_device(input);
> -err_free_input_dev:
> - input_free_device(input);
> err_free_fifo:
> kfifo_free(&fujitsu_hotkey->fifo);
> err_stop:
> @@ -953,8 +950,6 @@ static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
>
> input_unregister_device(input);
>
> - input_free_device(input);
> -
> kfifo_free(&fujitsu_hotkey->fifo);
>
> fujitsu_hotkey->acpi_handle = NULL;
> --
> 1.5.4.3
>
>
>
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