Ring3: Added FreeProtocolsList().

MdeModulePkg/Core/Dxe/DxeMain.h

@@ -2736,4 +2736,10 @@ InitializeRing3 (
   IN LOADED_IMAGE_PRIVATE_DATA  *Image
   );
 
+VOID
+EFIAPI
+FreeProtocolsList (
+  VOID
+  );
+
 #endif

MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c

@@ -850,6 +850,8 @@ CoreExitBootServices (
     RING3_INTERFACES_PAGES
     );
 
+  FreeProtocolsList ();
+  
   return Status;
 }
 

MdeModulePkg/Core/Dxe/SysCall/BootServices.c

@@ -7,9 +7,7 @@
 
 #include "DxeMain.h"
 #include "SupportedProtocols.h"
-//
+
-// TODO: Free LIST in ExitBootServices
-//
 LIST_ENTRY mProtocolsHead = INITIALIZE_LIST_HEAD_VARIABLE (mProtocolsHead);
 
 typedef struct {
@@ -29,6 +27,22 @@ CallInstallMultipleProtocolInterfaces (
   IN VOID        *Function
   );
 
+VOID
+EFIAPI
+FreeProtocolsList (
+  VOID
+  )
+{
+  LIST_ENTRY  *Link;
+  INTERFACE   *Protocol;
+
+  for (Link = mProtocolsHead.BackLink; Link != &mProtocolsHead; Link = mProtocolsHead.BackLink) {
+    Protocol = BASE_CR (Link, INTERFACE, Link);
+    RemoveEntryList (Link);
+    FreePool (Protocol);
+  }
+}
+
 STATIC
 EFI_STATUS
 EFIAPI