On Mon, 27 May 2019 at 09:19, Emil Velikov <emil.l.velikov@xxxxxxxxx> wrote:
>
> From: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
>
> The authentication can be circumvented, by design, by using the render
> node.
>
> From the driver POV there is no distinction between primary and render
> nodes, thus we can drop the token.
>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Signed-off-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/vgem/vgem_drv.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
> index 11a8f99ba18c..0ba079f1b302 100644
> --- a/drivers/gpu/drm/vgem/vgem_drv.c
> +++ b/drivers/gpu/drm/vgem/vgem_drv.c
> @@ -246,8 +246,8 @@ static int vgem_gem_dumb_map(struct drm_file *file, struct drm_device *dev,
> }
>
> static struct drm_ioctl_desc vgem_ioctls[] = {
> - DRM_IOCTL_DEF_DRV(VGEM_FENCE_ATTACH, vgem_fence_attach_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
> - DRM_IOCTL_DEF_DRV(VGEM_FENCE_SIGNAL, vgem_fence_signal_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
> + DRM_IOCTL_DEF_DRV(VGEM_FENCE_ATTACH, vgem_fence_attach_ioctl, DRM_RENDER_ALLOW),
> + DRM_IOCTL_DEF_DRV(VGEM_FENCE_SIGNAL, vgem_fence_signal_ioctl, DRM_RENDER_ALLOW),
> };
>
> static int vgem_mmap(struct file *filp, struct vm_area_struct *vma)
> --
> 2.21.0
>
Humble poke?
Thanks,
Emil
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