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: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Cc: virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Signed-off-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_ioctl.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 949a264985fc..e72626faba52 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -553,34 +553,34 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = {
DRM_IOCTL_DEF_DRV(VIRTGPU_MAP, virtio_gpu_map_ioctl,
- DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW),
+ DRM_UNLOCKED | DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(VIRTGPU_EXECBUFFER, virtio_gpu_execbuffer_ioctl,
- DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW),
+ DRM_UNLOCKED | DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(VIRTGPU_GETPARAM, virtio_gpu_getparam_ioctl,
- DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW),
+ DRM_UNLOCKED | DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(VIRTGPU_RESOURCE_CREATE,
virtio_gpu_resource_create_ioctl,
- DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW),
+ DRM_UNLOCKED | DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(VIRTGPU_RESOURCE_INFO, virtio_gpu_resource_info_ioctl,
- DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW),
+ DRM_UNLOCKED | DRM_RENDER_ALLOW),
/* make transfer async to the main ring? - no sure, can we
* thread these in the underlying GL
*/
DRM_IOCTL_DEF_DRV(VIRTGPU_TRANSFER_FROM_HOST,
virtio_gpu_transfer_from_host_ioctl,
- DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW),
+ DRM_UNLOCKED | DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(VIRTGPU_TRANSFER_TO_HOST,
virtio_gpu_transfer_to_host_ioctl,
- DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW),
+ DRM_UNLOCKED | DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(VIRTGPU_WAIT, virtio_gpu_wait_ioctl,
- DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW),
+ DRM_UNLOCKED | DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(VIRTGPU_GET_CAPS, virtio_gpu_get_caps_ioctl,
- DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW),
+ DRM_UNLOCKED | DRM_RENDER_ALLOW),
};
--
2.21.0
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