diff --git a/sound/core/init.c b/sound/core/init.c
index 603938988f..802f07eb57 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -283,6 +283,7 @@ int snd_card_new(struct device *parent, int idx, const char *xid,
 	init_rwsem(&card->controls_rwsem);
 	rwlock_init(&card->ctl_files_rwlock);
 	mutex_init(&card->user_ctl_lock);
+	mutex_init(&card->user_ctl_lock);
 	INIT_LIST_HEAD(&card->controls);
 	INIT_LIST_HEAD(&card->ctl_files);
 	spin_lock_init(&card->files_lock);