Input: mousedev - correct lockdep annotation
When annotating mutex to avoid false lockdep reports we should not
be using MOUSEDEV_MIX as lock subclass but rather SINGLE_DEPTH_NESTING.
Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index d528a2d..9897334 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -866,7 +866,7 @@
spin_lock_init(&mousedev->client_lock);
mutex_init(&mousedev->mutex);
lockdep_set_subclass(&mousedev->mutex,
- minor == MOUSEDEV_MIX ? MOUSEDEV_MIX : 0);
+ minor == MOUSEDEV_MIX ? SINGLE_DEPTH_NESTING : 0);
init_waitqueue_head(&mousedev->wait);
if (minor == MOUSEDEV_MIX)
