Add OPTIONAL attribute to parameter ‘ImageHandle’ in NetLibGetMacString to benefit...

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

diff --git a/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c b/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c
index 1743e9bdfa0dc28d28934da742e00f16a2ea0d36..f74dcdaeae860f94a2ab0133298934bb71cffc01 100644 (file)
--- a/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c
+++ b/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c
@@ -1,7 +1,7 @@
 /** @file\r
   Network library.\r
 \r
-Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2005 - 2012, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -2168,7 +2168,8 @@ NetLibGetMacAddress (
   @param[in]   ServiceHandle         The handle where network service binding protocol is\r
                                      installed on.\r
   @param[in]   ImageHandle           The image handle used to act as the agent handle to\r
-                                     get the simple network protocol.\r
+                                     get the simple network protocol. This parameter is\r
+                                     optional and may be NULL.\r
   @param[out]  MacString             The pointer to store the address of the string\r
                                      representation of  the mac address.\r
 \r
@@ -2181,7 +2182,7 @@ EFI_STATUS
 EFIAPI\r
 NetLibGetMacString (\r
   IN  EFI_HANDLE            ServiceHandle,\r
-  IN  EFI_HANDLE            ImageHandle,\r
+  IN  EFI_HANDLE            ImageHandle, OPTIONAL\r
   OUT CHAR16                **MacString\r
   )\r
 {\r