Re: [edk2] [PATCH] IntelSiliconPkg VTdPmrPei: Return SUCCESS when Mapping == NULL in Unmap

2018-03-05 Thread Yao, Jiewen
Reviewed-by: jiewen@intel.com > -Original Message- > From: Zeng, Star > Sent: Monday, March 5, 2018 9:34 PM > To: edk2-devel@lists.01.org > Cc: Zeng, Star ; Yao, Jiewen > Subject: [PATCH] IntelSiliconPkg VTdPmrPei: Return SUCCESS when

[edk2] [PATCH] IntelSiliconPkg VTdPmrPei: Return SUCCESS when Mapping == NULL in Unmap

2018-03-05 Thread Star Zeng
NULL is returned to Mapping when Operation is BusMasterCommonBuffer or EdkiiIoMmuOperationBusMasterCommonBuffer64 in PeiIoMmuMap(). So Mapping == NULL is valid when calling PeiIoMmuUnmap(). 940dbd071e9f01717236af236740aa0da716805f wrongly changed EFI_SUCCESS to EFI_INVALID_PARAMETER when Mapping