Merge remote-tracking branches 'regulator/topic/mt6397', 'regulator/topic/of', 'regul...

[cascardo/linux.git] / sound / core / seq / seq_clientmgr.c

diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index 13cfa81..58e79e0 100644 (file)
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -678,6 +678,9 @@ static int deliver_to_subscribers(struct snd_seq_client *client,
        else
                down_read(&grp->list_mutex);
        list_for_each_entry(subs, &grp->list_head, src_list) {
+               /* both ports ready? */
+               if (atomic_read(&subs->ref_count) != 2)
+                       continue;
                event->dest = subs->info.dest;
                if (subs->info.flags & SNDRV_SEQ_PORT_SUBS_TIMESTAMP)
                        /* convert time according to flag with subscription */