diff options
| -rw-r--r-- | lib/efi_loader/efi_boottime.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index e5c46e9f08..3ed08e7c37 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -664,10 +664,26 @@ efi_status_t EFIAPI efi_create_event_ex(uint32_t type, efi_uintn_t notify_tpl, efi_guid_t *event_group, struct efi_event **event) { + efi_status_t ret; + EFI_ENTRY("%d, 0x%zx, %p, %p, %pUl", type, notify_tpl, notify_function, notify_context, event_group); - return EFI_EXIT(efi_create_event(type, notify_tpl, notify_function, - notify_context, event_group, event)); + + /* + * The allowable input parameters are the same as in CreateEvent() + * except for the following two disallowed event types. + */ + switch (type) { + case EVT_SIGNAL_EXIT_BOOT_SERVICES: + case EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE: + ret = EFI_INVALID_PARAMETER; + goto out; + } + + ret = efi_create_event(type, notify_tpl, notify_function, + notify_context, event_group, event); +out: + return EFI_EXIT(ret); } /** |