The handler dispatcher in PEI statuscode router driver should check if handler is NULL, if it is not NULL, then handler can be called.

Signed-off-by: li-elvin
Reviewed-by: lgao4


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12699 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/ReportStatusCodeRouter/Pei/ReportStatusCodeRouterPei.c

@@ -249,6 +249,7 @@ ReportDispatcher (
     NumberOfEntries = GET_GUID_HOB_DATA (Hob);
     CallbackEntry   = (EFI_PEI_RSC_HANDLER_CALLBACK *) (NumberOfEntries + 1);
     for (Index = 0; Index < *NumberOfEntries; Index++) {
+      if (CallbackEntry[Index] != NULL) {
       CallbackEntry[Index](
         PeiServices,
         CodeType,
@@ -258,6 +259,7 @@ ReportDispatcher (
         Data
         );
       }
+    }
     Hob.Raw = GET_NEXT_HOB (Hob);
     Hob.Raw = GetNextGuidHob (&gStatusCodeCallbackGuid, Hob.Raw);
   }