sravan/system76-edk2
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Add more check to make code more safely.

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Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ouyang Qian  <ouyang.qian@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13903 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10
2012-11-01 02:10:31 +00:00
parent 0d5df2aba7
commit a56b6e03e2
6 changed files with 11 additions and 1 deletions
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2
MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Impl.c
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@@ -1612,6 +1612,7 @@ Udp4Demultiplex (
// Get the datagram header from the packet buffer.
//
Udp4Header = (EFI_UDP_HEADER *) NetbufGetByte (Packet, 0, NULL);
ASSERT (Udp4Header != NULL);
if (Udp4Header->Checksum != 0) {
//
@@ -1799,6 +1800,7 @@ Udp4IcmpHandler (
UDP4_INSTANCE_DATA *Instance;
Udp4Header = (EFI_UDP_HEADER *) NetbufGetByte (Packet, 0, NULL);
ASSERT (Udp4Header != NULL);
CopyMem (&Udp4Session.SourceAddress, &NetSession->Source, sizeof (EFI_IPv4_ADDRESS));
CopyMem (&Udp4Session.DestinationAddress, &NetSession->Dest, sizeof (EFI_IPv4_ADDRESS));