* Ingo Molnar <mingo@xxxxxxx> wrote:
> Could you try the patch below? This uses the ID string as the key.
> (the ID string seems to be based on static kernel strings most of the
> time, so this might as well work)
that patch should be:
Index: linux/sound/core/seq/seq_device.c
===================================================================
--- linux.orig/sound/core/seq/seq_device.c
+++ linux/sound/core/seq/seq_device.c
@@ -74,8 +74,6 @@ struct ops_list {
struct mutex reg_mutex;
struct list_head list; /* next driver */
-
- struct lockdep_type_key reg_mutex_key;
};
@@ -382,7 +380,7 @@ static struct ops_list * create_driver(c
/* set up driver entry */
strlcpy(ops->id, id, sizeof(ops->id));
- mutex_init_key(&ops->reg_mutex, id, &ops->reg_mutex_key);
+ mutex_init_key(&ops->reg_mutex, id, (struct lockdep_type_key *)id);
ops->driver = DRIVER_EMPTY;
INIT_LIST_HEAD(&ops->dev_list);
/* lock this instance */
-
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