diff options
Diffstat (limited to 'kernel/sound/core/seq/seq_clientmgr.c')
| -rw-r--r-- | kernel/sound/core/seq/seq_clientmgr.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/sound/core/seq/seq_clientmgr.c b/kernel/sound/core/seq/seq_clientmgr.c index edbdab85f..58e79e02f 100644 --- a/kernel/sound/core/seq/seq_clientmgr.c +++ b/kernel/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 */ @@ -1962,7 +1965,7 @@ static int snd_seq_ioctl_remove_events(struct snd_seq_client *client, * No restrictions so for a user client we can clear * the whole fifo */ - if (client->type == USER_CLIENT) + if (client->type == USER_CLIENT && client->data.user.fifo) snd_seq_fifo_clear(client->data.user.fifo); } @@ -2447,7 +2450,7 @@ EXPORT_SYMBOL(snd_seq_kernel_client_write_poll); /*---------------------------------------------------------------------------*/ -#ifdef CONFIG_PROC_FS +#ifdef CONFIG_SND_PROC_FS /* * /proc interface */ @@ -2549,7 +2552,7 @@ void snd_seq_info_clients_read(struct snd_info_entry *entry, snd_seq_client_unlock(client); } } -#endif /* CONFIG_PROC_FS */ +#endif /* CONFIG_SND_PROC_FS */ /*---------------------------------------------------------------------------*/ |