On Thu, Apr 04, 2013 at 02:58:42PM +0100, Ian Abbott wrote:
> diff --git a/drivers/staging/comedi/drivers.c
> b/drivers/staging/comedi/drivers.c
> index 4724f27..4460814 100644
> --- a/drivers/staging/comedi/drivers.c
> +++ b/drivers/staging/comedi/drivers.c
> @@ -410,6 +410,16 @@ int comedi_auto_config(struct device *hardware_device,
> struct comedi_device *comedi_dev;
> int ret;
>
> + if (!hardware_device) {
> + pr_warn("BUG! comedi_auto_config called with NULL
> hardware_device\n");
WARN() would give you a nice stack trace for easy debugging.
> + return -EINVAL;
> + }
regards,
dan carpenter
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