add security check.

[mirror_edk2.git] / MdeModulePkg / Universal / Network / Ip4Dxe / Ip4Igmp.c

diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Igmp.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Igmp.c
index 9b201c2eae618b7bfb6604fb5e30e5330088bf70..7b56a6664c0468177498d8fafc9108e730080e89 100644 (file)
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Igmp.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Igmp.c
@@ -1,7 +1,7 @@
 /** @file\r
   This file implements the RFC2236: IGMP v2.\r
   \r
-Copyright (c) 2005 - 2006, Intel Corporation.<BR>\r
+Copyright (c) 2005 - 2009, Intel Corporation.<BR>\r
 All rights reserved. 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
@@ -192,6 +192,9 @@ Ip4SendIgmpMessage (
   NetbufReserve (Packet, IP4_MAX_HEADLEN);\r
 \r
   Igmp = (IGMP_HEAD *) NetbufAllocSpace (Packet, sizeof (IGMP_HEAD), FALSE);\r
+  if (Igmp == NULL) {\r
+    return EFI_OUT_OF_RESOURCES;\r
+  }\r
 \r
   Igmp->Type        = Type;\r
   Igmp->MaxRespTime = 0;\r