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path: root/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Icmp.c
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Diffstat (limited to 'MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Icmp.c')
-rw-r--r--MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Icmp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Icmp.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Icmp.c
index a4d09abd74..18cb9ff360 100644
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Icmp.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Icmp.c
@@ -240,6 +240,7 @@ Ip4IcmpReplyEcho (
// update is omitted.
//
Icmp = (IP4_ICMP_QUERY_HEAD *) NetbufGetByte (Data, 0, NULL);
+ ASSERT (Icmp != NULL);
Icmp->Head.Type = ICMP_ECHO_REPLY;
Icmp->Head.Checksum = 0;
Icmp->Head.Checksum = (UINT16) (~NetblockChecksum ((UINT8 *) Icmp, Data->TotalSize));