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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Implement IP4 pesudo interface.
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Copyright (c) 2005 - 2007, Intel Corporation.<BR>
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Copyright (c) 2005 - 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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@@ -582,7 +582,7 @@ Ip4SetAddress (
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Type = NetGetIpClass (IpAddr);
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Len = NetGetMaskLength (SubnetMask);
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Netmask = gIp4AllMasks[MIN (Len, Type << 3)];
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Netmask = gIp4AllMasks[MIN ((Len - 1), Type << 3)];
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Interface->NetBrdcast = (IpAddr | ~Netmask);
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//
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