Add a UNION definition (IP_IO_IP_PROTOOCL) for EFI_IP4/6_PROTOCOL and change IP_IO...

[mirror_edk2.git] / MdeModulePkg / Universal / Network / Tcp4Dxe / Tcp4Misc.c

diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c
index 245da8637d0b29e472186b7e82e06c9f1d987283..afcaba4ed6829a9bf9aca82cb863ed7874dfa822 100644 (file)
--- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c
+++ b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c
@@ -478,7 +478,7 @@ TcpGetRcvMss (
   ASSERT (Sock != NULL);\r
 \r
   TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;\r
-  Ip       = (EFI_IP4_PROTOCOL *) (TcpProto->TcpService->IpIo->Ip);\r
+  Ip       = TcpProto->TcpService->IpIo->Ip.Ip4;\r
   ASSERT (Ip != NULL);\r
 \r
   Ip->GetModeData (Ip, &Ip4Mode, NULL, NULL);\r