diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-07-05 13:13:03 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-07-05 13:13:03 -0400 |
| commit | 5e66dd6d66ffe758b39b6dcadf2330753ee1159b (patch) | |
| tree | a72cdcff4448e4af9425cc213ddf56ab23e697fe /sound/core | |
| parent | 026477c1141b67e98e3bd8bdedb7d4b88a3ecd09 (diff) | |
| parent | ca78f6baca863afe2e6a244a0fe94b3a70211d46 (diff) | |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/seq/seq_device.c | 6 | ||||
| -rw-r--r-- | sound/core/seq/seq_ports.c | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/sound/core/seq/seq_device.c b/sound/core/seq/seq_device.c index d812dc8863602..4260de90f36fb 100644 --- a/sound/core/seq/seq_device.c +++ b/sound/core/seq/seq_device.c @@ -380,6 +380,12 @@ static struct ops_list * create_driver(char *id) /* set up driver entry */ strlcpy(ops->id, id, sizeof(ops->id)); mutex_init(&ops->reg_mutex); + /* + * The ->reg_mutex locking rules are per-driver, so we create + * separate per-driver lock classes: + */ + lockdep_set_class(&ops->reg_mutex, (struct lock_class_key *)id); + ops->driver = DRIVER_EMPTY; INIT_LIST_HEAD(&ops->dev_list); /* lock this instance */ diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c index d467b4f0ff2b1..8c64b58ff77bf 100644 --- a/sound/core/seq/seq_ports.c +++ b/sound/core/seq/seq_ports.c @@ -514,7 +514,7 @@ int snd_seq_port_connect(struct snd_seq_client *connector, atomic_set(&subs->ref_count, 2); down_write(&src->list_mutex); - down_write(&dest->list_mutex); + down_write_nested(&dest->list_mutex, SINGLE_DEPTH_NESTING); exclusive = info->flags & SNDRV_SEQ_PORT_SUBS_EXCLUSIVE ? 1 : 0; err = -EBUSY; @@ -587,7 +587,7 @@ int snd_seq_port_disconnect(struct snd_seq_client *connector, unsigned long flags; down_write(&src->list_mutex); - down_write(&dest->list_mutex); + down_write_nested(&dest->list_mutex, SINGLE_DEPTH_NESTING); /* look for the connection */ list_for_each(p, &src->list_head) { |