93 int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv)  in drm_getmagic()  argument
99 	if (!file_priv->magic) {  in drm_getmagic()
100 		ret = idr_alloc(&file_priv->master->magic_map, file_priv,  in drm_getmagic()
103 			file_priv->magic = ret;  in drm_getmagic()
105 	auth->magic = file_priv->magic;  in drm_getmagic()
114 		  struct drm_file *file_priv)  in drm_authmagic()  argument
122 	file = idr_find(&file_priv->master->magic_map, auth->magic);  in drm_authmagic()
125 		idr_replace(&file_priv->master->magic_map, NULL, auth->magic);  in drm_authmagic()
234 drm_master_check_perm(struct drm_device *dev, struct drm_file *file_priv)  in drm_master_check_perm()  argument
236 	if (file_priv->was_master &&  in drm_master_check_perm()
237 	    rcu_access_pointer(file_priv->pid) == task_tgid(current))  in drm_master_check_perm()
247 			struct drm_file *file_priv)  in drm_setmaster_ioctl()  argument
253 	ret = drm_master_check_perm(dev, file_priv);  in drm_setmaster_ioctl()
257 	if (drm_is_current_master_locked(file_priv))  in drm_setmaster_ioctl()
265 	if (!file_priv->master) {  in drm_setmaster_ioctl()
270 	if (!file_priv->is_master) {  in drm_setmaster_ioctl()
271 		ret = drm_new_set_master(dev, file_priv);  in drm_setmaster_ioctl()
275 	if (file_priv->master->lessor != NULL) {  in drm_setmaster_ioctl()
278 			      file_priv->master->lessee_id);  in drm_setmaster_ioctl()
283 	drm_set_master(dev, file_priv, false);  in drm_setmaster_ioctl()
298 			 struct drm_file *file_priv)  in drm_dropmaster_ioctl()  argument
304 	ret = drm_master_check_perm(dev, file_priv);  in drm_dropmaster_ioctl()
308 	if (!drm_is_current_master_locked(file_priv)) {  in drm_dropmaster_ioctl()
318 	if (file_priv->master->lessor != NULL) {  in drm_dropmaster_ioctl()
321 			      file_priv->master->lessee_id);  in drm_dropmaster_ioctl()
326 	drm_drop_master(dev, file_priv);  in drm_dropmaster_ioctl()
332 int drm_master_open(struct drm_file *file_priv)  in drm_master_open()  argument
334 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_open()
342 		ret = drm_new_set_master(dev, file_priv);  in drm_master_open()
344 		spin_lock(&file_priv->master_lookup_lock);  in drm_master_open()
345 		file_priv->master = drm_master_get(dev->master);  in drm_master_open()
346 		spin_unlock(&file_priv->master_lookup_lock);  in drm_master_open()
353 void drm_master_release(struct drm_file *file_priv)  in drm_master_release()  argument
355 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_release()
359 	master = file_priv->master;  in drm_master_release()
360 	if (file_priv->magic)  in drm_master_release()
361 		idr_remove(&file_priv->master->magic_map, file_priv->magic);  in drm_master_release()
363 	if (!drm_is_current_master_locked(file_priv))  in drm_master_release()
366 	if (dev->master == file_priv->master)  in drm_master_release()
367 		drm_drop_master(dev, file_priv);  in drm_master_release()
369 	if (drm_core_check_feature(dev, DRIVER_MODESET) && file_priv->is_master) {  in drm_master_release()
377 	if (file_priv->master)  in drm_master_release()
378 		drm_master_put(&file_priv->master);  in drm_master_release()
405 struct drm_master *drm_file_get_master(struct drm_file *file_priv)  in drm_file_get_master()  argument
409 	spin_lock(&file_priv->master_lookup_lock);  in drm_file_get_master()
410 	if (!file_priv->master)  in drm_file_get_master()
412 	master = drm_master_get(file_priv->master);  in drm_file_get_master()
415 	spin_unlock(&file_priv->master_lookup_lock);  in drm_file_get_master()