sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

refine the code and add more security check.

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

21
MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Driver.c
View File

@@ -1,6 +1,6 @@
/** @file
Copyright (c) 2006 - 2009, Intel Corporation.<BR>
Copyright (c) 2006 - 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
@@ -32,7 +32,7 @@ EFI_SERVICE_BINDING_PROTOCOL mDhcp4ServiceBindingTemplate = {
This is the declaration of an EFI image entry point. This entry point is
the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including
both device drivers and bus drivers.
Entry point of the DHCP driver to install various protocols.
@param[in] ImageHandle The firmware allocated handle for the UEFI image.
@@ -315,6 +315,7 @@ Dhcp4DriverBindingStart (
if (EFI_ERROR (Status)) {
return Status;
}
ASSERT (DhcpSb != NULL);
//
// Start the receiving
@@ -360,7 +361,7 @@ ON_ERROR:
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[in] This Protocol instance pointer.
@param[in] ControllerHandle Handle of device to stop driver on
@param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
@@ -482,14 +483,14 @@ DhcpInitProtocol (
/**
Creates a child handle and installs a protocol.
The CreateChild() function installs a protocol on ChildHandle.
If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
The CreateChild() function installs a protocol on ChildHandle.
If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
@param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
@param ChildHandle Pointer to the handle of the child to create. If it is NULL,
then a new handle is created. If it is a pointer to an existing UEFI handle,
then a new handle is created. If it is a pointer to an existing UEFI handle,
then the protocol is added to the existing UEFI handle.
@retval EFI_SUCCES The protocol was added to ChildHandle.
@@ -578,9 +579,9 @@ Dhcp4ServiceBindingCreateChild (
/**
Destroys a child handle with a protocol installed on it.
The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
that was installed by CreateChild() from ChildHandle. If the removed protocol is the
The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
that was installed by CreateChild() from ChildHandle. If the removed protocol is the
last protocol on ChildHandle, then ChildHandle is destroyed.
@param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.