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Commit f74eef95 authored by Hitoshi Mitake's avatar Hitoshi Mitake Committed by Dmitry Torokhov
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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: default avatarHitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 2991a1ca

drivers/input/mousedev.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -866,7 +866,7 @@ static struct mousedev *mousedev_create(struct input_dev *dev, 
	spin_lock_init(&mousedev->client_lock);

	spin_lock_init(&mousedev->client_lock);

	mutex_init(&mousedev->mutex);

	mutex_init(&mousedev->mutex);

	lockdep_set_subclass(&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);

	init_waitqueue_head(&mousedev->wait);





	if (minor == MOUSEDEV_MIX)

	if (minor == MOUSEDEV_MIX)