efi_loader: allowable event types in CreateEventEx()

CreateEventEx() does not allow the following event types:

* EVT_SIGNAL_EXIT_BOOT_SERVICES
* EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE

This check is needed to pass the UEFI SCT conformance test.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Alexander Graf <agraf@csgraf.de>
This commit is contained in:
Heinrich Schuchardt 2019-05-04 10:12:50 +02:00
parent 52cbac9b06
commit 1884512b77

View file

@ -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, efi_guid_t *event_group,
struct efi_event **event) struct efi_event **event)
{ {
efi_status_t ret;
EFI_ENTRY("%d, 0x%zx, %p, %p, %pUl", type, notify_tpl, notify_function, EFI_ENTRY("%d, 0x%zx, %p, %p, %pUl", type, notify_tpl, notify_function,
notify_context, event_group); 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);
} }
/** /**