My static checker complains because tscm->spec->midi_capture_ports is either 2 or 4 but the tscm->tx_midi_substreams[] array has 4 elements so this is possibly off by one. I have looked at the code and I think it should be >= instead of > as well.
Fixes: 107cc0129a68 ('ALSA: firewire-tascam: add support for incoming MIDI messages by asynchronous transaction') Signed-off-by: Dan Carpenter dan.carpenter@oracle.com
diff --git a/sound/firewire/tascam/tascam-transaction.c b/sound/firewire/tascam/tascam-transaction.c index 45c3ce3..d4f64ae 100644 --- a/sound/firewire/tascam/tascam-transaction.c +++ b/sound/firewire/tascam/tascam-transaction.c @@ -158,7 +158,7 @@ static void handle_midi_tx(struct fw_card *card, struct fw_request *request,
port = b[0] >> 4; /* TODO: support virtual MIDI ports. */ - if (port > tscm->spec->midi_capture_ports) + if (port >= tscm->spec->midi_capture_ports) goto end;
/* Assume the message length. */