On Sun, Aug 03, 2014 at 04:54:21PM +0200, Martin Kepplinger wrote:
> @@ -447,6 +457,13 @@ static uint8_t as102_fe_get_code_rate(fe_code_rate_t arg)
> static void as102_fe_copy_tune_parameters(struct as10x_tune_args *tune_args,
> struct dtv_frontend_properties *params)
> {
> + struct dvb_frontend *fe;
> + struct as102_dev_t *dev;
> +
> + fe = container_of(params, struct dvb_frontend, dtv_property_cache);
> + dev = (struct as102_dev_t *) fe->tuner_priv;
> + if (dev == NULL)
> + dev_err(&dev->bus_adap.usb_dev->dev, "No device found\n");
NULL dereference in printing error message. I think smatch or
coccinelle would detect this although I haven't tried either.
This is the typical bug for this kind of patch.
regards,
dan carpenter
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