diff options
Diffstat (limited to 'Nt32Pkg/WinNtGopDxe/WinNtGopInput.c')
| -rw-r--r-- | Nt32Pkg/WinNtGopDxe/WinNtGopInput.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Nt32Pkg/WinNtGopDxe/WinNtGopInput.c b/Nt32Pkg/WinNtGopDxe/WinNtGopInput.c index be41a8e854..e9866740ce 100644 --- a/Nt32Pkg/WinNtGopDxe/WinNtGopInput.c +++ b/Nt32Pkg/WinNtGopDxe/WinNtGopInput.c @@ -797,7 +797,11 @@ WinNtGopSimpleTextInExUnregisterKeyNotify ( if (NotificationHandle == NULL) {
return EFI_INVALID_PARAMETER;
}
-
+
+ if (((WIN_NT_GOP_SIMPLE_TEXTIN_EX_NOTIFY *) NotificationHandle)->Signature != WIN_NT_GOP_SIMPLE_TEXTIN_EX_NOTIFY_SIGNATURE) {
+ return EFI_INVALID_PARAMETER;
+ }
+
Private = GOP_PRIVATE_DATA_FROM_TEXT_IN_EX_THIS (This);
for (Link = Private->NotifyList.ForwardLink; Link != &Private->NotifyList; Link = Link->ForwardLink) {
|