36     *Interface = NULL;  in LibLocateProtocol()
37     Status = LibLocateHandle (ByProtocol, ProtocolGuid, NULL, &NumberHandles, &Handles);  in LibLocateProtocol()
75     *Buffer = NULL;  in LibLocateHandle()
130     BlockIoBuffer = NULL;  in LibLocateHandleByDiskSignature()
148                         NULL,  in LibLocateHandleByDiskSignature()
168         *Buffer = NULL;  in LibLocateHandleByDiskSignature()
198         if (DevicePath != NULL) {  in LibLocateHandleByDiskSignature()
251             BlockIoBuffer[Index] = NULL;  in LibLocateHandleByDiskSignature()
264         *Buffer = NULL;  in LibLocateHandleByDiskSignature()
274     if (*Buffer == NULL) {  in LibLocateHandleByDiskSignature()
277         *Buffer = NULL;  in LibLocateHandleByDiskSignature()
287         if (BlockIoBuffer[Index] != NULL) {  in LibLocateHandleByDiskSignature()
326     return EFI_ERROR(Status) ? NULL : File;  in LibOpenRoot()
343     Buffer = NULL;  in LibFileInfo()
379     Buffer = NULL;  in LibFileSystemInfo()
414     Buffer = NULL;  in LibFileSystemVolumeLabelInfo()