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Input: mousedev - correct lockdep annotation

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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>
This commit is contained in:
Hitoshi Mitake 2010-10-13 11:35:40 -07:00 • committed by Dmitry Torokhov
parent 2991a1ca6e
commit f74eef95e3
1 changed files with 1 additions and 1 deletions
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2
drivers/input/mousedev.c
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@ -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)