add security check.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8680 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -1,7 +1,7 @@
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/** @file
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The implementation of the Udp4 protocol.
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Copyright (c) 2006 - 2008, Intel Corporation.<BR>
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Copyright (c) 2006 - 2009, Intel Corporation.<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@@ -1718,6 +1718,7 @@ Udp4SendPortUnreach (
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// Allocate space for the IP4_ICMP_ERROR_HEAD.
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//
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IcmpErrHdr = (IP4_ICMP_ERROR_HEAD *) NetbufAllocSpace (Packet, Len, FALSE);
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ASSERT (IcmpErrHdr != NULL);
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//
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// Set the required fields for the icmp port unreachable message.
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