diff options
Diffstat (limited to 'Nt32Pkg/WinNtBlockIoDxe/DriverDiagnostics.c')
-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 1060d46001..fb162aa30d 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) {
|