4.4-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit a342083abe576db43594a32d458a61fa81f7cb32 ]
We should be using flush_delayed_work() instead of flush_work() in matrix_keypad_stop() to ensure that we are not missing work that is scheduled but not yet put in the workqueue (i.e. its delay timer has not expired yet).
Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/input/keyboard/matrix_keypad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c index c64d87442a62..2e12e31f45c5 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c @@ -220,7 +220,7 @@ static void matrix_keypad_stop(struct input_dev *dev) keypad->stopped = true; spin_unlock_irq(&keypad->lock);
- flush_work(&keypad->work.work); + flush_delayed_work(&keypad->work); /* * matrix_keypad_scan() will leave IRQs enabled; * we should disable them now.