diff options
Diffstat (limited to 'NetworkPkg/TcpDxe')
-rw-r--r-- | NetworkPkg/TcpDxe/TcpMain.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/NetworkPkg/TcpDxe/TcpMain.c b/NetworkPkg/TcpDxe/TcpMain.c index 03942ee32e..fc3713e533 100644 --- a/NetworkPkg/TcpDxe/TcpMain.c +++ b/NetworkPkg/TcpDxe/TcpMain.c @@ -2,7 +2,7 @@ Implementation of EFI_TCP4_PROTOCOL and EFI_TCP6_PROTOCOL.
(C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
- Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -159,7 +159,8 @@ Tcp4Configure ( CopyMem (&Ip, &TcpConfigData->AccessPoint.StationAddress, sizeof (IP4_ADDR));
CopyMem (&SubnetMask, &TcpConfigData->AccessPoint.SubnetMask, sizeof (IP4_ADDR));
- if (!IP4_IS_VALID_NETMASK (NTOHL (SubnetMask)) || !NetIp4IsUnicast (NTOHL (Ip), NTOHL (SubnetMask))) {
+ if (!IP4_IS_VALID_NETMASK (NTOHL (SubnetMask)) ||
+ (SubnetMask != 0 && !NetIp4IsUnicast (NTOHL (Ip), NTOHL (SubnetMask)))) {
return EFI_INVALID_PARAMETER;
}
}
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