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In Supported(), try to test open SNP protocol BY_DRIVER instead of using TEST_PROTOCOL. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5601 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff 2008-08-01 08:16:40 +00:00
parent 75b046c3d4
commit b58baf6bd4
1 changed files with 21 additions and 7 deletions
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28
MdeModulePkg/Universal/Network/MnpDxe/MnpDriver.c
View File

@ -1,6 +1,6 @@
/** @file
Copyright (c) 2005 - 2007, Intel Corporation
Copyright (c) 2005 - 2008, Intel Corporation
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
@ -53,7 +53,8 @@ MnpDriverBindingSupported (
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
EFI_STATUS Status;
EFI_STATUS Status;
EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
//
// Test to see if MNP is already installed.
@ -67,23 +68,36 @@ MnpDriverBindingSupported (
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (!EFI_ERROR (Status)) {
return EFI_ALREADY_STARTED;
}
//
// Test to see if SNP is installed.
// Test to open the Simple Network protocol BY_DRIVER.
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiSimpleNetworkProtocolGuid,
NULL,
(VOID **) &Snp,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
EFI_OPEN_PROTOCOL_BY_DRIVER
);
return Status;
if (EFI_ERROR (Status)) {
return Status;
}
//
// Close the openned SNP protocol.
//
gBS->CloseProtocol (
ControllerHandle,
&gEfiSimpleNetworkProtocolGuid,
This->DriverBindingHandle,
ControllerHandle
);
return EFI_SUCCESS;
}