Since commit 5bbb1ab5bd ("control: use counting semaphore as write lock
for ELEM_WRITE operation"), this has been locking the controls including
their values, not just the list of controls.
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@xxxxxx>
---
include/sound/core.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/sound/core.h b/include/sound/core.h
index 3edc4ab08774..4ea5f66b59d7 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -98,7 +98,7 @@ struct snd_card {
struct device ctl_dev; /* control device */
unsigned int last_numid; /* last used numeric ID */
- struct rw_semaphore controls_rwsem; /* controls list lock */
+ struct rw_semaphore controls_rwsem; /* controls lock (list and values) */
rwlock_t ctl_files_rwlock; /* ctl_files list lock */
int controls_count; /* count of all controls */
size_t user_ctl_alloc_size; // current memory allocation by user controls.
--
2.40.0.152.g15d061e6df
