diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drmP.h | 1 | ||||
| -rw-r--r-- | linux-core/drm_drv.c | 30 |
2 files changed, 17 insertions, 14 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 5bc4887a..2f0791c0 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -302,6 +302,7 @@ typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, #define DRM_AUTH 0x1 #define DRM_MASTER 0x2 #define DRM_ROOT_ONLY 0x4 +#define DRM_CONTROL_ALLOW 0x8 // allow ioctl to operate on control node struct drm_ioctl_desc { unsigned int cmd; diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c index 58beec66..bba4d629 100644 --- a/linux-core/drm_drv.c +++ b/linux-core/drm_drv.c @@ -117,19 +117,19 @@ static struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, 0), DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETOUTPUT, drm_mode_getoutput, DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_ROOT_ONLY), - - DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_output_property_set_ioctl, DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode_ioctl, DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_MASTER | DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETOUTPUT, drm_mode_getoutput, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW), + + DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_output_property_set_ioctl, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode_ioctl, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_MASTER | DRM_ROOT_ONLY | DRM_CONTROL_ALLOW), DRM_IOCTL_DEF(DRM_IOCTL_MM_INIT, drm_mm_init_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), @@ -628,6 +628,7 @@ long drm_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) retcode = -EINVAL; goto err_i1; } + #if 0 /* * This check is disabled, because driver private ioctl->cmd @@ -658,7 +659,8 @@ long drm_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) retcode = -EINVAL; } else if (((ioctl->flags & DRM_ROOT_ONLY) && !capable(CAP_SYS_ADMIN)) || ((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) || - ((ioctl->flags & DRM_MASTER) && !file_priv->master)) { + ((ioctl->flags & DRM_MASTER) && !file_priv->master) || + ((!(ioctl->flags & DRM_CONTROL_ALLOW)) && (file_priv->minor->type == DRM_MINOR_CONTROL)) ) { retcode = -EACCES; } else { retcode = func(dev, kdata, file_priv); |