efi_loader: parameter check CreateEventEx()

CreateEvent() and CreateEventEx() should check that a notify function is
provided for either of EVT_NOTIFY_SIGNAL or EVT_NOTIFY_WAIT.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-04-25 07:30:41 +02:00
parent b4ee6daad7
commit 751e928d07

View File

@ -618,7 +618,7 @@ efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl,
}
if ((type & (EVT_NOTIFY_WAIT | EVT_NOTIFY_SIGNAL)) &&
(is_valid_tpl(notify_tpl) != EFI_SUCCESS))
(!notify_function || is_valid_tpl(notify_tpl) != EFI_SUCCESS))
return EFI_INVALID_PARAMETER;
evt = calloc(1, sizeof(struct efi_event));