HID: elo: kill not flush the work

commit ed596a4a88bd161f868ccba078557ee7ede8a6ef upstream.

Flushing a work that reschedules itself is not a sensible operation. It needs
to be killed. Failure to do so leads to a kernel panic in the timer code.

Signed-off-by: Oliver Neukum <ONeukum@suse.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hid/hid-elo.c b/drivers/hid/hid-elo.c
index aad8c16..0cd4f72 100644 (file)
--- a/drivers/hid/hid-elo.c
+++ b/drivers/hid/hid-elo.c
@@ -261,7 +261,7 @@ static void elo_remove(struct hid_device *hdev)
        struct elo_priv *priv = hid_get_drvdata(hdev);
 
        hid_hw_stop(hdev);
-       flush_workqueue(wq);
+       cancel_delayed_work_sync(&priv->work);
        kfree(priv);
 }