MdeModulePkg/SmmLockBoxLib: Support LockBox enlarge in UpdateLockBox()

[mirror_edk2.git] / MdeModulePkg / Library / LockBoxNullLib / LockBoxNullLib.c

diff --git a/MdeModulePkg/Library/LockBoxNullLib/LockBoxNullLib.c b/MdeModulePkg/Library/LockBoxNullLib/LockBoxNullLib.c
index c40dfea3985892cb1b328fe14c28a3a4e31ff7c8..0c3a762a6fcf2be91dddd0ce4b32c7616478edd3 100644 (file)
--- a/MdeModulePkg/Library/LockBoxNullLib/LockBoxNullLib.c
+++ b/MdeModulePkg/Library/LockBoxNullLib/LockBoxNullLib.c
@@ -1,6 +1,6 @@
 /** @file\r
 \r
-Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2010 - 2019, Intel Corporation. All rights reserved.<BR>\r
 \r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions\r
@@ -76,7 +76,10 @@ SetLockBoxAttributes (
   @retval RETURN_SUCCESS            the information is saved successfully.\r
   @retval RETURN_INVALID_PARAMETER  the Guid is NULL, or Buffer is NULL, or Length is 0.\r
   @retval RETURN_NOT_FOUND          the requested GUID not found.\r
-  @retval RETURN_BUFFER_TOO_SMALL   the original buffer to too small to hold new information.\r
+  @retval RETURN_BUFFER_TOO_SMALL   for lockbox without attribute LOCK_BOX_ATTRIBUTE_RESTORE_IN_S3_ONLY,\r
+                                    the original buffer to too small to hold new information.\r
+  @retval RETURN_OUT_OF_RESOURCES   for lockbox with attribute LOCK_BOX_ATTRIBUTE_RESTORE_IN_S3_ONLY,\r
+                                    no enough resource to save the information.\r
   @retval RETURN_ACCESS_DENIED      it is too late to invoke this interface\r
   @retval RETURN_NOT_STARTED        it is too early to invoke this interface\r
   @retval RETURN_UNSUPPORTED        the service is not supported by implementaion.\r