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refine the code and add more security check.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9691 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2010-01-08 02:35:56 +00:00
parent 33338afebd
commit e285199897
18 changed files with 499 additions and 493 deletions
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30
MdeModulePkg/Universal/Network/SnpDxe/Snp.c
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@@ -1,11 +1,11 @@
/** @file
Implementation of driver entry point and driver binding protocol.
Copyright (c) 2004 - 2009, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials are licensed
and made available under the terms and conditions of the BSD License which
accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
Copyright (c) 2004 - 2010, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials are licensed
and made available under the terms and conditions of the BSD License which
accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
@@ -49,13 +49,13 @@ SnpNotifyExitBootServices (
/**
Send command to UNDI. It does nothing currently.
@param Cdb command to be sent to UNDI.
@retval EFI_INVALID_PARAMETER The command is 0.
@retval EFI_UNSUPPORTED Default return status because it's not
@retval EFI_INVALID_PARAMETER The command is 0.
@retval EFI_UNSUPPORTED Default return status because it's not
supported currently.
**/
EFI_STATUS
IssueHwUndiCommand (
@@ -81,7 +81,7 @@ IssueHwUndiCommand (
@param Buffer Pointer to buffer.
@param Length Length of buffer in bytes.
@return 8-bit checksum of all bytes in buffer, or zero if ptr is NULL or len
@return 8-bit checksum of all bytes in buffer, or zero if ptr is NULL or len
is zero.
**/
@@ -178,7 +178,7 @@ SimpleNetworkDriverSupported (
//
// Check to see if !PXE structure is valid. Paragraph alignment of !PXE structure is required.
//
if (NiiProtocol->Id & 0x0F) {
if ((NiiProtocol->Id & 0x0F) != 0) {
DEBUG ((EFI_D_NET, "\n!PXE structure is not paragraph aligned.\n"));
Status = EFI_UNSUPPORTED;
goto Done;
@@ -615,7 +615,7 @@ SimpleNetworkDriverStart (
}
if (Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) {
if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {
Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;
}
@@ -725,7 +725,7 @@ NiiError:
restrictions for this service. DisconnectController()
must follow these calling restrictions. If any other agent wishes
to call Stop() it must also follow these calling restrictions.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of