Always check module mapping status and optionally map xtldr code

xtldr/modules/xtos_o/amd64/memory.c

@@ -63,7 +63,7 @@ XtEnablePaging(IN PLIST_ENTRY MemoryMappings,
         ModuleInfo = CONTAIN_RECORD(ModulesListEntry, XTBL_MODULE_INFO, Flink);
 
         /* Map module code */
-        XtAddVirtualMemoryMapping(MemoryMappings, ModuleInfo->ModuleBase, ModuleInfo->ModuleBase,
+        Status = XtAddVirtualMemoryMapping(MemoryMappings, ModuleInfo->ModuleBase, ModuleInfo->ModuleBase,
                                   EFI_SIZE_TO_PAGES(ModuleInfo->ModuleSize), LoaderFirmwareTemporary);
 
         if(Status != STATUS_EFI_SUCCESS)
@@ -77,13 +77,8 @@ XtEnablePaging(IN PLIST_ENTRY MemoryMappings,
     }
 
     /* Map XTLDR code */
-    Status = XtAddVirtualMemoryMapping(MemoryMappings, ImageProtocol->ImageBase, ImageProtocol->ImageBase,
+    XtAddVirtualMemoryMapping(MemoryMappings, ImageProtocol->ImageBase, ImageProtocol->ImageBase,
                                        EFI_SIZE_TO_PAGES(ImageProtocol->ImageSize), LoaderFirmwareTemporary);
-    if(Status != STATUS_EFI_SUCCESS)
-    {
-        /* Mapping the boot loader code failed */
-        return Status;
-    }
 
     /* Add page mapping itself to memory mapping */
     Status = XtAddVirtualMemoryMapping(MemoryMappings, NULL, *PtePointer, 1, LoaderMemoryData);