On Wed, Sep 17, 2014 at 12:13:56AM +0300, Peter Ujfalusi wrote:
> There is no need to initialize the error since it is going to be assigned
> with the return status of at least on of the device_create_file() call.
>
> We can return directly in case the first file creation fails.
> All the labels for goto can be removed (along with the gotos) as well.
> Tell the compiler that the failures are unlikely so it can create better
> binaries.
Looks reasonable to me.
Cc: linux-acpi
>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx>
> ---
> drivers/platform/x86/intel-rst.c | 15 +++++----------
> 1 file changed, 5 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/platform/x86/intel-rst.c b/drivers/platform/x86/intel-rst.c
> index 8c6a8fe..7344d84 100644
> --- a/drivers/platform/x86/intel-rst.c
> +++ b/drivers/platform/x86/intel-rst.c
> @@ -119,21 +119,16 @@ static struct device_attribute irst_timeout_attr = {
>
> static int irst_add(struct acpi_device *acpi)
> {
> - int error = 0;
> + int error;
>
> error = device_create_file(&acpi->dev, &irst_timeout_attr);
> - if (error)
> - goto out;
> + if (unlikely(error))
> + return error;
>
> error = device_create_file(&acpi->dev, &irst_wakeup_attr);
> - if (error)
> - goto out_timeout;
> + if (unlikely(error))
> + device_remove_file(&acpi->dev, &irst_timeout_attr);
>
> - return 0;
> -
> -out_timeout:
> - device_remove_file(&acpi->dev, &irst_timeout_attr);
> -out:
> return error;
> }
>
> --
> 2.1.0
>
> --
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>
--
Darren Hart
Intel Open Source Technology Center
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