diff options
Diffstat (limited to 'MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c')
| -rw-r--r-- | MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c index 4d2e80fcad..24f97eb93b 100644 --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c +++ b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c @@ -145,6 +145,7 @@ Tcp4Configure ( SOCKET *Sock;
EFI_STATUS Status;
IP4_ADDR Ip;
+ IP4_ADDR SubnetMask;
if (NULL == This) {
return EFI_INVALID_PARAMETER;
@@ -168,7 +169,8 @@ Tcp4Configure ( if (!TcpConfigData->AccessPoint.UseDefaultAddress) {
NetCopyMem (&Ip, &TcpConfigData->AccessPoint.StationAddress, sizeof (IP4_ADDR));
- if (!Ip4IsUnicast (NTOHL (Ip), 0) || !IP4_IS_VALID_NETMASK (NTOHL (Ip))) {
+ NetCopyMem (&SubnetMask, &TcpConfigData->AccessPoint.SubnetMask, sizeof (IP4_ADDR));
+ if (!Ip4IsUnicast (NTOHL (Ip), 0) || !IP4_IS_VALID_NETMASK (NTOHL (SubnetMask))) {
return EFI_INVALID_PARAMETER;
}
}
|