diff options
| author | niruiyu <niruiyu@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-10-27 05:24:06 +0000 |
|---|---|---|
| committer | niruiyu <niruiyu@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-10-27 05:24:06 +0000 |
| commit | 153a2bae71cb93c7ed11160ce95ebc2bec1cd14b (patch) | |
| tree | bcdce6dafe7b941308661b9ab083e7c1cbce0946 | |
| parent | 20258293aa75100109c684e8f2d2dd60a3a804c3 (diff) | |
| download | edk2-platforms-153a2bae71cb93c7ed11160ce95ebc2bec1cd14b.tar.xz | |
Check the device path protocol before opening the PciIo BY_DRIVER.
Signed-off-by: niruiyu
Reviewed-by: jyao1
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12579 6f19259b-4bc3-4df7-8a09-765794883524
| -rw-r--r-- | IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c b/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c index bb05ecb191..f8830b1763 100644 --- a/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c +++ b/IntelFrameworkModulePkg/Csm/BiosThunk/VideoDxe/BiosVideo.c @@ -255,6 +255,18 @@ BiosVideoDriverBindingStart ( }
//
+ // Prepare for status code
+ //
+ Status = gBS->HandleProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ParentDevicePath
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
// Open the IO Abstraction(s) needed
//
Status = gBS->OpenProtocol (
@@ -269,18 +281,6 @@ BiosVideoDriverBindingStart ( return Status;
}
- //
- // Prepare for status code
- //
- Status = gBS->HandleProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- (VOID **) &ParentDevicePath
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
PciAttributesSaved = FALSE;
//
// Save original PCI attributes
|