On Tue, May 08, 2018 at 10:18:24AM +0200, Hans Verkuil wrote:
> Just call this v4l_stub_g_fbuf, conform the naming of the other functions.
> 
> So just replace vidioc_ by v4l_stub_ in all these DEFINE_IOCTL_FNC macros.
> 
> This way the function name in the big array matches the name in this macro,
> and the 'stub' part indicates that it is just a stub function.

vidioc_ is actually part of the function name in struct v4l2_ioctl_ops,
which the stub needs to call. I can change the stub name to start with
v4l_stub_, but if you prefer to drop vidioc_ entirely from the name,
the macro still wouldn't end up matching the array. It would have to be
something like this:

  #define DEFINE_IOCTL_FNC(_vidioc) \
        static int v4l_stub_ ## _vidioc( \
        ...
                return ops->vidioc_ ## _vidioc(file, fh, p); \
  ...
  DEFINE_IOCTL_FNC(g_fbuf)
  ...
  static struct v4l2_ioctl_info v4l2_ioctls[] = {
        ...
        IOCTL_INFO(VIDIOC_G_FBUF, v4l_stub_g_fbuf, ...),

Any thoughts?

        Sami

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