On 08/09/2012 03:19 PM, Hans Verkuil wrote:
> On Thu August 9 2012 14:55:02 Richard Zhao wrote:
>> In file drivers/media/video/v4l2-dev.c
>>
>> int __video_register_device(struct video_device *vdev, int type, int nr,
>> int warn_if_nr_in_use, struct module *owner)
>> {
>> [...]
>> vdev->minor = i + minor_offset;
>> 878: vdev->num = nr;
>>
>> vdev->num is set to nr here.
>> [...]
>> if (nr != -1 && nr != vdev->num && warn_if_nr_in_use)
>> printk(KERN_WARNING "%s: requested %s%d, got %s\n", __func__,
>> name_base, nr, video_device_node_name(vdev));
>>
>> so nr != vdev->num is always false. The warning can never be printed.
>
> Hmm, true. The question is, should we just fix this, or drop the warning
> altogether?
> Clearly nobody missed that warning.
>
> I'm inclined to drop the warning altogether and so also the
> video_register_device_no_warn
> inline function.
>
> What do others think?
Yeah, let's remove it.
--
Regards,
Sylwester
--
Sylwester Nawrocki
실베스터 나브로츠키
Samsung Poland R&D Center
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