diff options
| author | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-19 04:13:25 +0000 |
|---|---|---|
| committer | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-19 04:13:25 +0000 |
| commit | adc863cbd42c24c6f32597915cb8a5329e0806ce (patch) | |
| tree | 40afb27f71235e0350c60b65db09e8ad9311000a /Nt32Pkg/WinNtBlockIoDxe | |
| parent | c7b616cf0953eb1a0eede7edbf863fbb833f1a93 (diff) | |
Add checking for ChildHandle.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4701 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Nt32Pkg/WinNtBlockIoDxe')
| -rw-r--r-- | Nt32Pkg/WinNtBlockIoDxe/DriverDiagnostics.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Nt32Pkg/WinNtBlockIoDxe/DriverDiagnostics.c b/Nt32Pkg/WinNtBlockIoDxe/DriverDiagnostics.c index 1060d4600..fb162aa30 100644 --- a/Nt32Pkg/WinNtBlockIoDxe/DriverDiagnostics.c +++ b/Nt32Pkg/WinNtBlockIoDxe/DriverDiagnostics.c @@ -185,6 +185,13 @@ WinNtBlockIoDriverDiagnosticsRunDiagnostics ( }
//
+ // This is a device driver, so ChildHandle must be NULL.
+ //
+ if (ChildHandle != NULL) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
// Validate controller handle
//
Status = gBS->OpenProtocol (
@@ -207,6 +214,7 @@ WinNtBlockIoDriverDiagnosticsRunDiagnostics ( return EFI_UNSUPPORTED;
}
+
if (Status == EFI_UNSUPPORTED) {
return Status;
} else if (Status != EFI_ALREADY_STARTED) {
|