From 4384f167ce5fa7241b61bb0984d651bc528ddebe Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 16 Mar 2020 10:05:05 +0100 Subject: ALSA: seq: virmidi: Fix running status after receiving sysex The virmidi driver handles sysex event exceptionally in a short-cut snd_seq_dump_var_event() call, but this missed the reset of the running status. As a result, it may lead to an incomplete command right after the sysex when an event with the same running status was queued. Fix it by clearing the running status properly via alling snd_midi_event_reset_decode() for that code path. Reported-by: Andreas Steinmetz Cc: Link: https://lore.kernel.org/r/3b4a4e0f232b7afbaf0a843f63d0e538e3029bfd.camel@domdv.de Link: https://lore.kernel.org/r/20200316090506.23966-2-tiwai@suse.de Signed-off-by: Takashi Iwai --- sound/core/seq/seq_virmidi.c | 1 + 1 file changed, 1 insertion(+) (limited to 'sound') diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c index 626d87c1539b..77d7037d1476 100644 --- a/sound/core/seq/seq_virmidi.c +++ b/sound/core/seq/seq_virmidi.c @@ -81,6 +81,7 @@ static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev, if ((ev->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) != SNDRV_SEQ_EVENT_LENGTH_VARIABLE) continue; snd_seq_dump_var_event(ev, (snd_seq_dump_func_t)snd_rawmidi_receive, vmidi->substream); + snd_midi_event_reset_decode(vmidi->parser); } else { len = snd_midi_event_decode(vmidi->parser, msg, sizeof(msg), ev); if (len > 0) -- cgit v1.2.3