Update DriverSample and PlatDriOverrideDxe driver to correct the return value for ConfigAccess ExtractConfig interface.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8365 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 14 insertions, 23 deletions

diff --git a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
index f856083de4..74866be7a9 100644
--- a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
+++ b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
@@ -22,6 +22,10 @@ EFI_GUID   mFormSetGuid = FORMSET_GUID;
 EFI_GUID   mInventoryGuid = INVENTORY_GUID;

 

 CHAR16     VariableName[] = L"MyIfrNVData";

+//

+// <ConfigHdr> Template

+//

+CONST CHAR16 mDriverSampleConfigHdr[] = L"GUID=00000000000000000000000000000000&NAME=0000&PATH=00";

 

 EFI_HANDLE                      DriverHandle[2] = {NULL, NULL};

 DRIVER_SAMPLE_PRIVATE_DATA      *PrivateData = NULL;

@@ -342,7 +346,6 @@ ExtractConfig (
   UINTN                            BufferSize;

   DRIVER_SAMPLE_PRIVATE_DATA       *PrivateData;

   EFI_HII_CONFIG_ROUTING_PROTOCOL  *HiiConfigRouting;

-  EFI_STRING                       ConfigRequestHdr;

   EFI_STRING                       ConfigRequest;

   UINTN                            Size;

   

@@ -352,7 +355,6 @@ ExtractConfig (
   //

   // Initialize the local variables.

   //

-  ConfigRequestHdr = NULL;

   ConfigRequest    = NULL;

   Size             = 0;

   *Progress        = Request;

@@ -373,7 +375,7 @@ ExtractConfig (
             &PrivateData->Configuration

             );

   if (EFI_ERROR (Status)) {

-    return Status;

+    return EFI_NOT_FOUND;

   }

   

   if (Request == NULL) {

@@ -382,32 +384,21 @@ ExtractConfig (
     //

 

     //

-    // First Set ConfigRequestHdr string.

-    //

-    ConfigRequestHdr = HiiConstructConfigHdr (&mFormSetGuid, VariableName, PrivateData->DriverHandle[0]);

-    ASSERT (ConfigRequestHdr != NULL);

-

-    //

     // Allocate and fill a buffer large enough to hold the <ConfigHdr> template 

     // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator

     //

-    Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);

+    Size = (StrLen (mDriverSampleConfigHdr) + 32 + 1) * sizeof (CHAR16);

     ConfigRequest = AllocateZeroPool (Size);

-    UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);

-    FreePool (ConfigRequestHdr);

+    UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", mDriverSampleConfigHdr, (UINT64)BufferSize);

   } else {

-    ConfigRequest = Request;

-  }

-

-  //

-  // Check routing data in <ConfigHdr>.

-  // Note: if only one Storage is used, then this checking could be skipped.

-  //

-  if (!HiiIsConfigHdrMatch (ConfigRequest, &mFormSetGuid, VariableName)) {

-    if (Request == NULL) {

-      FreePool (ConfigRequest);

+    //

+    // Check routing data in <ConfigHdr>.

+    // Note: if only one Storage is used, then this checking could be skipped.

+    //

+    if (!HiiIsConfigHdrMatch (Request, &mFormSetGuid, VariableName)) {

+      return EFI_NOT_FOUND;

     }

-    return EFI_NOT_FOUND;

+    ConfigRequest = Request;

   }

 

   //