diff options
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Universal/Network/MnpDxe/MnpDriver.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/MdeModulePkg/Universal/Network/MnpDxe/MnpDriver.c b/MdeModulePkg/Universal/Network/MnpDxe/MnpDriver.c index fe6b63b..0ca4151 100644 --- a/MdeModulePkg/Universal/Network/MnpDxe/MnpDriver.c +++ b/MdeModulePkg/Universal/Network/MnpDxe/MnpDriver.c @@ -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;
}
|