add security check.

[mirror_edk2.git] / MdeModulePkg / Universal / Network / Ip4Dxe / Ip4If.c

diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4If.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4If.c
index d5a46082277a1a0f01340fa40b98bb427345ccdc..dd2674d22400e11f05daef17db7aebde7ff872e9 100644 (file)
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4If.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4If.c
@@ -1,7 +1,7 @@
 /** @file\r
   Implement IP4 pesudo interface.\r
   \r
-Copyright (c) 2005 - 2007, Intel Corporation.<BR>\r
+Copyright (c) 2005 - 2009, Intel Corporation.<BR>\r
 All rights reserved. This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -123,7 +123,7 @@ VOID
 Ip4CancelFrameArp (\r
   IN IP4_ARP_QUE            *ArpQue,\r
   IN EFI_STATUS             IoStatus,\r
-  IN IP4_FRAME_TO_CANCEL    FrameToCancel, OPTIONAL\r
+  IN IP4_FRAME_TO_CANCEL    FrameToCancel  OPTIONAL,\r
   IN VOID                   *Context\r
   );\r
 \r
@@ -146,7 +146,7 @@ Ip4CancelFrameArp (
 IP4_LINK_TX_TOKEN *\r
 Ip4WrapLinkTxToken (\r
   IN IP4_INTERFACE          *Interface,\r
-  IN IP4_PROTOCOL           *IpInstance,    OPTIONAL\r
+  IN IP4_PROTOCOL           *IpInstance     OPTIONAL,\r
   IN NET_BUF                *Packet,\r
   IN IP4_FRAME_CALLBACK     CallBack,\r
   IN VOID                   *Context\r
@@ -397,7 +397,7 @@ VOID
 Ip4CancelFrameArp (\r
   IN IP4_ARP_QUE            *ArpQue,\r
   IN EFI_STATUS             IoStatus,\r
-  IN IP4_FRAME_TO_CANCEL    FrameToCancel, OPTIONAL\r
+  IN IP4_FRAME_TO_CANCEL    FrameToCancel  OPTIONAL,\r
   IN VOID                   *Context\r
   )\r
 {\r
@@ -435,7 +435,7 @@ VOID
 Ip4CancelFrames (\r
   IN IP4_INTERFACE          *Interface,\r
   IN EFI_STATUS             IoStatus,\r
-  IN IP4_FRAME_TO_CANCEL    FrameToCancel,   OPTIONAL\r
+  IN IP4_FRAME_TO_CANCEL    FrameToCancel    OPTIONAL,\r
   IN VOID                   *Context\r
   )\r
 {\r
@@ -582,7 +582,7 @@ Ip4SetAddress (
 \r
   Type                      = NetGetIpClass (IpAddr);\r
   Len                       = NetGetMaskLength (SubnetMask);\r
-  Netmask                   = gIp4AllMasks[MIN (Len, Type << 3)];\r
+  Netmask                   = gIp4AllMasks[MIN ((Len - 1), Type << 3)];\r
   Interface->NetBrdcast     = (IpAddr | ~Netmask);\r
 \r
   //\r
@@ -954,7 +954,7 @@ Ip4OnFrameSent (
 EFI_STATUS\r
 Ip4SendFrame (\r
   IN  IP4_INTERFACE         *Interface,\r
-  IN  IP4_PROTOCOL          *IpInstance,      OPTIONAL\r
+  IN  IP4_PROTOCOL          *IpInstance       OPTIONAL,\r
   IN  NET_BUF               *Packet,\r
   IN  IP4_ADDR              NextHop,\r
   IN  IP4_FRAME_CALLBACK    CallBack,\r
@@ -1209,7 +1209,7 @@ Ip4OnFrameReceived (
 EFI_STATUS\r
 Ip4ReceiveFrame (\r
   IN  IP4_INTERFACE         *Interface,\r
-  IN  IP4_PROTOCOL          *IpInstance,      OPTIONAL\r
+  IN  IP4_PROTOCOL          *IpInstance       OPTIONAL,\r
   IN  IP4_FRAME_CALLBACK    CallBack,\r
   IN  VOID                  *Context\r
   )\r