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Input: atkbd - cancel delayed work before freeing its structure

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Pointed out by Oleg Nesterov. Since delayed work is used here, use of
flush_scheduled_work() is not sufficient in atkbd_disconnect(). It does
not wait for scheduled delayed work to finish. This patch prevents
delayed work to be processed after freeing atkbd structure (used struct
delayed_work is part of atkbd) by cancelling this delayed work.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Jiri Pirko 2008-11-11 09:43:21 -05:00 committed by Dmitry Torokhov
parent a8215b81cc
commit d6d79a785d
1 changed files with 1 additions and 1 deletions
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2
drivers/input/keyboard/atkbd.c
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@ -824,7 +824,7 @@ static void atkbd_disconnect(struct serio *serio)
atkbd_disable(atkbd);
/* make sure we don't have a command in flight */
flush_scheduled_work();
cancel_delayed_work_sync(&atkbd->event_work);
sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
input_unregister_device(atkbd->dev);