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)
         /* 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 */