diff options
Diffstat (limited to 'sound')
-rw-r--r-- | sound/core/seq/seq_device.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/core/seq/seq_device.c b/sound/core/seq/seq_device.c index d812dc886360..4260de90f36f 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) | |||
380 | /* set up driver entry */ | 380 | /* set up driver entry */ |
381 | strlcpy(ops->id, id, sizeof(ops->id)); | 381 | strlcpy(ops->id, id, sizeof(ops->id)); |
382 | mutex_init(&ops->reg_mutex); | 382 | mutex_init(&ops->reg_mutex); |
383 | /* | ||
384 | * The ->reg_mutex locking rules are per-driver, so we create | ||
385 | * separate per-driver lock classes: | ||
386 | */ | ||
387 | lockdep_set_class(&ops->reg_mutex, (struct lock_class_key *)id); | ||
388 | |||
383 | ops->driver = DRIVER_EMPTY; | 389 | ops->driver = DRIVER_EMPTY; |
384 | INIT_LIST_HEAD(&ops->dev_list); | 390 | INIT_LIST_HEAD(&ops->dev_list); |
385 | /* lock this instance */ | 391 | /* lock this instance */ |