X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FNetwork%2FIp4Dxe%2FIp4Output.c;h=0232bfedda22a5de5f35ec43375cdda0aaa11f66;hp=d595ab29992ec8602380dfa99426706ad29c2f6d;hb=687a2e5f6902fa26c7a1d7a7705e0747c4095125;hpb=4a8f7cceccde9f40f55cae415e10d80906a84919

diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Output.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Output.c
index d595ab2999..0232bfedda 100644
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Output.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Output.c
@@ -89,7 +89,7 @@ Ip4PrependHead (
   PacketHead->Protocol  = Head->Protocol;
   PacketHead->Src       = HTONL (Head->Src);
   PacketHead->Dst       = HTONL (Head->Dst);
-  PacketHead->Checksum  = ~NetblockChecksum ((UINT8 *) PacketHead, HeadLen);
+  PacketHead->Checksum  = (UINT16) (~NetblockChecksum ((UINT8 *) PacketHead, HeadLen));
 
   Packet->Ip            = PacketHead;
   return EFI_SUCCESS;