diff options
-rw-r--r-- | drivers/gpu/drm/drm_drv.c | 7 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_fops.c | 6 | ||||
-rw-r--r-- | include/drm/drmP.h | 5 |
3 files changed, 13 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 05e30530c025..cf2dfb790bf1 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -306,13 +306,14 @@ static int drm_ioctl_permit(u32 flags, struct drm_file *file_priv) !file_priv->authenticated)) return -EACCES; - /* MASTER is only for master */ - if (unlikely((flags & DRM_MASTER) && !file_priv->is_master)) + /* MASTER is only for master or control clients */ + if (unlikely((flags & DRM_MASTER) && !file_priv->is_master && + !drm_is_control_client(file_priv))) return -EACCES; /* Control clients must be explicitly allowed */ if (unlikely(!(flags & DRM_CONTROL_ALLOW) && - file_priv->minor->type == DRM_MINOR_CONTROL)) + drm_is_control_client(file_priv))) return -EACCES; /* Render clients must be explicitly allowed */ diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 9b02f126fb0d..5432a1a61c15 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -232,7 +232,8 @@ static int drm_open_helper(struct inode *inode, struct file *filp, /* if there is no current master make this fd it, but do not create * any master object for render clients */ mutex_lock(&dev->struct_mutex); - if (!priv->minor->master && !drm_is_render_client(priv)) { + if (!priv->minor->master && !drm_is_render_client(priv) && + !drm_is_control_client(priv)) { /* create a new master */ priv->minor->master = drm_master_create(priv->minor); if (!priv->minor->master) { @@ -270,7 +271,8 @@ static int drm_open_helper(struct inode *inode, struct file *filp, goto out_close; } } - } else if (!drm_is_render_client(priv)) { + } else if (!drm_is_render_client(priv) && + !drm_is_control_client(priv)) { /* get a reference to the master */ priv->master = drm_master_get(priv->minor->master); } diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 2242968e7deb..3cf9f46ce2e6 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1207,6 +1207,11 @@ static inline bool drm_is_render_client(struct drm_file *file_priv) return file_priv->minor->type == DRM_MINOR_RENDER; } +static inline bool drm_is_control_client(const struct drm_file *file_priv) +{ + return file_priv->minor->type == DRM_MINOR_CONTROL; +} + /******************************************************************/ /** \name Internal function definitions */ /*@{*/ |