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IntelSiliconPkg/PlatformVTdSample: Avoid using constant result 'if' 

In this sample driver, if (0) {...} else {...} statements were used to
illustrate two different using scenarios.

This comment refines the coding style by substituting the 'if (0)'
statement with comments to select sample codes for different cases.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Hao Wu 2017-08-29 19:33:09 +08:00
parent db6f08a0ea
commit 7046a2739a
1 changed files with 26 additions and 16 deletions
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16
IntelSiliconPkg/PlatformVTdSampleDxe/PlatformVTdSampleDxe.c
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@ -339,7 +339,12 @@ PlatformVTdGetExceptionDeviceList (
return EFI_INVALID_PARAMETER;
}
if (0) {
//
// Sample codes for device scope based exception list.
// Uncomment to take affect and comment the sample codes for PCI vendor id
// based exception list.
//
/*
*DeviceInfo = AllocateZeroPool (sizeof(mExceptionDeviceScopeList));
if (*DeviceInfo == NULL) {
return EFI_OUT_OF_RESOURCES;
@ -347,7 +352,13 @@ PlatformVTdGetExceptionDeviceList (
CopyMem (*DeviceInfo, mExceptionDeviceScopeList, sizeof(mExceptionDeviceScopeList));
*DeviceInfoCount = ARRAY_SIZE(mExceptionDeviceScopeList);
} else {
*/
//
// Sample codes for PCI vendor id based exception list.
// Uncomment to take affect and comment the sample codes for device scope
// based exception list.
//
*DeviceInfo = AllocateZeroPool (sizeof(mExceptionPciDeviceIdList));
if (*DeviceInfo == NULL) {
return EFI_OUT_OF_RESOURCES;
@ -355,7 +366,6 @@ PlatformVTdGetExceptionDeviceList (
CopyMem (*DeviceInfo, mExceptionPciDeviceIdList, sizeof(mExceptionPciDeviceIdList));
*DeviceInfoCount = ARRAY_SIZE(mExceptionPciDeviceIdList);
}
return EFI_SUCCESS;
}