99 	struct drm_master *master;  in drm_master_create()  local
101 	master = kzalloc(sizeof(*master), GFP_KERNEL);  in drm_master_create()
102 	if (!master)  in drm_master_create()
105 	kref_init(&master->refcount);  in drm_master_create()
106 	spin_lock_init(&master->lock.spinlock);  in drm_master_create()
107 	init_waitqueue_head(&master->lock.lock_queue);  in drm_master_create()
108 	if (drm_ht_create(&master->magiclist, DRM_MAGIC_HASH_ORDER)) {  in drm_master_create()
109 		kfree(master);  in drm_master_create()
112 	INIT_LIST_HEAD(&master->magicfree);  in drm_master_create()
113 	master->minor = minor;  in drm_master_create()
115 	return master;  in drm_master_create()
118 struct drm_master *drm_master_get(struct drm_master *master)  in drm_master_get()  argument
120 	kref_get(&master->refcount);  in drm_master_get()
121 	return master;  in drm_master_get()
127 	struct drm_master *master = container_of(kref, struct drm_master, refcount);  in drm_master_destroy()  local
128 	struct drm_device *dev = master->minor->dev;  in drm_master_destroy()
133 		dev->driver->master_destroy(dev, master);  in drm_master_destroy()
136 		if (r_list->master == master) {  in drm_master_destroy()
142 	if (master->unique) {  in drm_master_destroy()
143 		kfree(master->unique);  in drm_master_destroy()
144 		master->unique = NULL;  in drm_master_destroy()
145 		master->unique_len = 0;  in drm_master_destroy()
148 	drm_ht_remove(&master->magiclist);  in drm_master_destroy()
151 	kfree(master);  in drm_master_destroy()
154 void drm_master_put(struct drm_master **master)  in drm_master_put()  argument
156 	kref_put(&(*master)->refcount, drm_master_destroy);  in drm_master_put()
157 	*master = NULL;  in drm_master_put()
170 	if (file_priv->minor->master) {  in drm_setmaster_ioctl()
175 	if (!file_priv->master) {  in drm_setmaster_ioctl()
180 	file_priv->minor->master = drm_master_get(file_priv->master);  in drm_setmaster_ioctl()
186 			drm_master_put(&file_priv->minor->master);  in drm_setmaster_ioctl()
204 	if (!file_priv->minor->master)  in drm_dropmaster_ioctl()
210 	drm_master_put(&file_priv->minor->master);  in drm_dropmaster_ioctl()