[PATCH 09/13] drm/omap: drop DRM_AUTH from DRM_RENDER_ALLOW ioctls
Emil Velikov
emil.l.velikov at gmail.com
Mon May 27 08:17:37 UTC 2019
From: Emil Velikov <emil.velikov at collabora.com>
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.
Note: the outstanding DRM_AUTH instance is:
- (badly coped) legacy DRI1 ioctl, which is a noop
Cc: Tomi Valkeinen <tomi.valkeinen at ti.com>
Cc: David Airlie <airlied at linux.ie>
Cc: Daniel Vetter <daniel at ffwll.ch>
Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
Signed-off-by: Emil Velikov <emil.l.velikov at gmail.com>
---
drivers/gpu/drm/omapdrm/omap_drv.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
index 1b9b6f5e48e1..f97781f9d936 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -491,19 +491,19 @@ static int ioctl_gem_info(struct drm_device *dev, void *data,
static const struct drm_ioctl_desc ioctls[DRM_COMMAND_END - DRM_COMMAND_BASE] = {
DRM_IOCTL_DEF_DRV(OMAP_GET_PARAM, ioctl_get_param,
- DRM_AUTH | DRM_RENDER_ALLOW),
+ DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(OMAP_SET_PARAM, ioctl_set_param,
DRM_AUTH | DRM_MASTER | DRM_ROOT_ONLY),
DRM_IOCTL_DEF_DRV(OMAP_GEM_NEW, ioctl_gem_new,
- DRM_AUTH | DRM_RENDER_ALLOW),
+ DRM_RENDER_ALLOW),
/* Deprecated, to be removed. */
DRM_IOCTL_DEF_DRV(OMAP_GEM_CPU_PREP, drm_noop,
- DRM_AUTH | DRM_RENDER_ALLOW),
+ DRM_RENDER_ALLOW),
/* Deprecated, to be removed. */
DRM_IOCTL_DEF_DRV(OMAP_GEM_CPU_FINI, drm_noop,
- DRM_AUTH | DRM_RENDER_ALLOW),
+ DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(OMAP_GEM_INFO, ioctl_gem_info,
- DRM_AUTH | DRM_RENDER_ALLOW),
+ DRM_RENDER_ALLOW),
};
/*
--
2.21.0
More information about the dri-devel
mailing list