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-rw-r--r--include/sound/core.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/sound/core.h b/include/sound/core.h
index 55385588eefa..357f36b5ee80 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -118,8 +118,6 @@ struct snd_card {
int user_ctl_count; /* count of all user controls */
struct list_head controls; /* all controls for this card */
struct list_head ctl_files; /* active control files */
- struct mutex user_ctl_lock; /* protects user controls against
- concurrent access */
struct snd_info_entry *proc_root; /* root for soundcard specific files */
struct snd_info_entry *proc_id; /* the card id */