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intel-rst: Clean up ACPI add function

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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.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This commit is contained in:
Peter Ujfalusi 2014-09-17 00:13:56 +03:00 committed by Darren Hart
parent d46a76405f
commit a3d3c53f73
1 changed files with 5 additions and 10 deletions
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15
drivers/platform/x86/intel-rst.c
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@ -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;
}