diff options
Diffstat (limited to 'sound/core/seq/seq_ports.c')
| -rw-r--r-- | sound/core/seq/seq_ports.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c index 24d90abfc64d..ac7556ab531c 100644 --- a/sound/core/seq/seq_ports.c +++ b/sound/core/seq/seq_ports.c @@ -128,7 +128,6 @@ static void port_subs_info_init(struct snd_seq_port_subs_info *grp) struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client, int port) { - unsigned long flags; struct snd_seq_client_port *new_port, *p; int num = -1; @@ -157,7 +156,7 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client, num = port >= 0 ? port : 0; mutex_lock(&client->ports_mutex); - write_lock_irqsave(&client->ports_lock, flags); + write_lock_irq(&client->ports_lock); list_for_each_entry(p, &client->ports_list_head, list) { if (p->addr.port > num) break; @@ -169,7 +168,7 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client, client->num_ports++; new_port->addr.port = num; /* store the port number in the port */ sprintf(new_port->name, "port-%d", num); - write_unlock_irqrestore(&client->ports_lock, flags); + write_unlock_irq(&client->ports_lock); mutex_unlock(&client->ports_mutex); return new_port; @@ -283,11 +282,10 @@ static int port_delete(struct snd_seq_client *client, /* delete a port with the given port id */ int snd_seq_delete_port(struct snd_seq_client *client, int port) { - unsigned long flags; struct snd_seq_client_port *found = NULL, *p; mutex_lock(&client->ports_mutex); - write_lock_irqsave(&client->ports_lock, flags); + write_lock_irq(&client->ports_lock); list_for_each_entry(p, &client->ports_list_head, list) { if (p->addr.port == port) { /* ok found. delete from the list at first */ @@ -297,7 +295,7 @@ int snd_seq_delete_port(struct snd_seq_client *client, int port) break; } } - write_unlock_irqrestore(&client->ports_lock, flags); + write_unlock_irq(&client->ports_lock); mutex_unlock(&client->ports_mutex); if (found) return port_delete(client, found); @@ -308,7 +306,6 @@ int snd_seq_delete_port(struct snd_seq_client *client, int port) /* delete the all ports belonging to the given client */ int snd_seq_delete_all_ports(struct snd_seq_client *client) { - unsigned long flags; struct list_head deleted_list; struct snd_seq_client_port *port, *tmp; @@ -316,7 +313,7 @@ int snd_seq_delete_all_ports(struct snd_seq_client *client) * clear the port list in the client data. */ mutex_lock(&client->ports_mutex); - write_lock_irqsave(&client->ports_lock, flags); + write_lock_irq(&client->ports_lock); if (! list_empty(&client->ports_list_head)) { list_add(&deleted_list, &client->ports_list_head); list_del_init(&client->ports_list_head); @@ -324,7 +321,7 @@ int snd_seq_delete_all_ports(struct snd_seq_client *client) INIT_LIST_HEAD(&deleted_list); } client->num_ports = 0; - write_unlock_irqrestore(&client->ports_lock, flags); + write_unlock_irq(&client->ports_lock); /* remove each port in deleted_list */ list_for_each_entry_safe(port, tmp, &deleted_list, list) { @@ -550,10 +547,10 @@ static void delete_and_unsubscribe_port(struct snd_seq_client *client, list_del_init(list); grp->exclusive = 0; write_unlock_irq(&grp->list_lock); - up_write(&grp->list_mutex); if (!empty) unsubscribe_port(client, port, grp, &subs->info, ack); + up_write(&grp->list_mutex); } /* connect two ports */ @@ -635,20 +632,23 @@ int snd_seq_port_disconnect(struct snd_seq_client *connector, /* get matched subscriber */ -struct snd_seq_subscribers *snd_seq_port_get_subscription(struct snd_seq_port_subs_info *src_grp, - struct snd_seq_addr *dest_addr) +int snd_seq_port_get_subscription(struct snd_seq_port_subs_info *src_grp, + struct snd_seq_addr *dest_addr, + struct snd_seq_port_subscribe *subs) { - struct snd_seq_subscribers *s, *found = NULL; + struct snd_seq_subscribers *s; + int err = -ENOENT; down_read(&src_grp->list_mutex); list_for_each_entry(s, &src_grp->list_head, src_list) { if (addr_match(dest_addr, &s->info.dest)) { - found = s; + *subs = s->info; + err = 0; break; } } up_read(&src_grp->list_mutex); - return found; + return err; } /* |