From: Takashi Iwai <tiwai@xxxxxxx>
commit 32108c22ac619c32dd6db594319e259b63bfb387 upstream.
UMP events don't use the event type field, hence it's invalid to apply
the filter, which may drop the events unexpectedly.
Skip the event filtering for UMP events, instead.
Fixes: 46397622a3fa ("ALSA: seq: Add UMP support")
Cc: <stable@xxxxxxxxxxxxxxx>
Link: https://patch.msgid.link/20240819084156.10286-1-tiwai@xxxxxxx
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/core/seq/seq_clientmgr.c | 3 +++
1 file changed, 3 insertions(+)
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -537,6 +537,9 @@ static struct snd_seq_client *get_event_
return NULL;
if (! dest->accept_input)
goto __not_avail;
+ if (snd_seq_ev_is_ump(event))
+ return dest; /* ok - no filter checks */
+
if ((dest->filter & SNDRV_SEQ_FILTER_USE_EVENT) &&
! test_bit(event->type, dest->event_filter))
goto __not_avail;
Patches currently in stable-queue which might be from tiwai@xxxxxxx are
queue-6.6/alsa-seq-skip-event-type-filtering-for-ump-events.patch
