si2157_remove was calling kfree(dev) with possibly still active schedule_delayed_work(dev->stat_work). This caused kernel panics in call_timer_fn e.g. after rmmod cx23885. Signed-off-by: Ernst Martin Witte <emw-linux-kernel@xxxxxxxxxx> --- drivers/media/tuners/si2157.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index ce157ed..bfb1d59 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -457,6 +457,9 @@ static int si2157_remove(struct i2c_client *client) dev_dbg(&client->dev, "\n"); + /* stop statistics polling */ + cancel_delayed_work_sync(&dev->stat_work); + memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); fe->tuner_priv = NULL; kfree(dev); -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html