1. Rollback the changing on replacing MAX_EXTENDED_DATA_SIZE by EFI_STATUS_CODE_DATA_MAX_SIZE,

   use MAX_EXTENDED_DATA_SIZE as before.
2. Use DEBUG error message instead of ASSERT(FASLE) when extended data is too large
3. Expand 1 for buffer array size to avoid potential issue.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11083 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 9 insertions, 3 deletions

diff --git a/MdeModulePkg/Library/DxeReportStatusCodeLib/ReportStatusCodeLib.c b/MdeModulePkg/Library/DxeReportStatusCodeLib/ReportStatusCodeLib.c
index 06bdd54..ce843cc 100644
--- a/MdeModulePkg/Library/DxeReportStatusCodeLib/ReportStatusCodeLib.c
+++ b/MdeModulePkg/Library/DxeReportStatusCodeLib/ReportStatusCodeLib.c
@@ -25,6 +25,12 @@
 #include <Guid/StatusCodeDataTypeId.h>

 #include <Guid/StatusCodeDataTypeDebug.h>

 

+//

+// Define the maximum extended data size that is supported when a status code is

+// reported at TPL_HIGH_LEVEL.

+//

+#define MAX_EXTENDED_DATA_SIZE  0x200

+

 EFI_STATUS_CODE_PROTOCOL  *mReportStatusCodeLibStatusCodeProtocol = NULL;

 

 /**

@@ -485,7 +491,7 @@ ReportStatusCodeEx (
   EFI_STATUS            Status;

   EFI_STATUS_CODE_DATA  *StatusCodeData;

   EFI_TPL               Tpl;

-  UINT64                Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE / sizeof (UINT64)];

+  UINT64                Buffer[(MAX_EXTENDED_DATA_SIZE / sizeof (UINT64)) + 1];

 

   ASSERT (!((ExtendedData == NULL) && (ExtendedDataSize != 0)));

   ASSERT (!((ExtendedData != NULL) && (ExtendedDataSize == 0)));

@@ -512,12 +518,12 @@ ReportStatusCodeEx (
     //

     // If a buffer could not be allocated, then see if the local variable Buffer can be used

     //

-    if (ExtendedDataSize > (EFI_STATUS_CODE_DATA_MAX_SIZE - sizeof (EFI_STATUS_CODE_DATA))) {

+    if (ExtendedDataSize > (MAX_EXTENDED_DATA_SIZE - sizeof (EFI_STATUS_CODE_DATA))) {

       //

       // The local variable Buffer not large enough to hold the extended data associated

       // with the status code being reported.

       //

-      ASSERT (FALSE);

+      DEBUG ((EFI_D_ERROR, "Status code extended data is too large to be reported!\n"));

       return EFI_OUT_OF_RESOURCES;

     }

     StatusCodeData = (EFI_STATUS_CODE_DATA  *)Buffer;