Re: [PATCH] drm/vgem: add compat_ioctl support

From: Daniel Vetter
Date: Mon Jul 17 2017 - 11:53:17 EST


On Fri, Jul 14, 2017 at 08:12:12PM -0700, Brian Norris wrote:
> DRM drivers should supply a compat version if they're going to provide
> an ioctl implementation at all. This can confuse 32-bit user space on a
> 64-bit system.
>
> Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>

Thanks, applied.
-Daniel

> ---
> drivers/gpu/drm/vgem/vgem_drv.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
> index 9fee38a942c4..3835656e2baf 100644
> --- a/drivers/gpu/drm/vgem/vgem_drv.c
> +++ b/drivers/gpu/drm/vgem/vgem_drv.c
> @@ -220,6 +220,7 @@ static const struct file_operations vgem_driver_fops = {
> .poll = drm_poll,
> .read = drm_read,
> .unlocked_ioctl = drm_ioctl,
> + .compat_ioctl = drm_compat_ioctl,
> .release = drm_release,
> };
>
> --
> 2.13.2.932.g7449e964c-goog
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch