104 	struct drm_master *master;  in drm_master_create()  local
106 	master = malloc(sizeof(*master), DRM_MEM_KMS, M_NOWAIT | M_ZERO);  in drm_master_create()
107 	if (!master)  in drm_master_create()
110 	refcount_init(&master->refcount, 1);  in drm_master_create()
111 	mtx_init(&master->lock.spinlock, "drm_master__lock__spinlock",  in drm_master_create()
113 	DRM_INIT_WAITQUEUE(&master->lock.lock_queue);  in drm_master_create()
114 	drm_ht_create(&master->magiclist, DRM_MAGIC_HASH_ORDER);  in drm_master_create()
115 	INIT_LIST_HEAD(&master->magicfree);  in drm_master_create()
116 	master->minor = minor;  in drm_master_create()
118 	list_add_tail(&master->head, &minor->master_list);  in drm_master_create()
120 	return master;  in drm_master_create()
123 struct drm_master *drm_master_get(struct drm_master *master)  in drm_master_get()  argument
125 	refcount_acquire(&master->refcount);  in drm_master_get()
126 	return master;  in drm_master_get()
130 static void drm_master_destroy(struct drm_master *master)  in drm_master_destroy()  argument
133 	struct drm_device *dev = master->minor->dev;  in drm_master_destroy()
136 	list_del(&master->head);  in drm_master_destroy()
139 		dev->driver->master_destroy(dev, master);  in drm_master_destroy()
142 		if (r_list->master == master) {  in drm_master_destroy()
148 	if (master->unique) {  in drm_master_destroy()
149 		free(master->unique, DRM_MEM_DRIVER);  in drm_master_destroy()
150 		master->unique = NULL;  in drm_master_destroy()
151 		master->unique_len = 0;  in drm_master_destroy()
154 	list_for_each_entry_safe(pt, next, &master->magicfree, head) {  in drm_master_destroy()
156 		drm_ht_remove_item(&master->magiclist, &pt->hash_item);  in drm_master_destroy()
160 	drm_ht_remove(&master->magiclist);  in drm_master_destroy()
162 	free(master, DRM_MEM_KMS);  in drm_master_destroy()
165 void drm_master_put(struct drm_master **master)  in drm_master_put()  argument
167 	if (refcount_release(&(*master)->refcount))  in drm_master_put()
168 		drm_master_destroy(*master);  in drm_master_put()
169 	*master = NULL;  in drm_master_put()
181 	if (file_priv->minor->master && file_priv->minor->master != file_priv->master)  in drm_setmaster_ioctl()
184 	if (!file_priv->master)  in drm_setmaster_ioctl()
187 	if (file_priv->minor->master)  in drm_setmaster_ioctl()
191 	file_priv->minor->master = drm_master_get(file_priv->master);  in drm_setmaster_ioctl()
197 			drm_master_put(&file_priv->minor->master);  in drm_setmaster_ioctl()
211 	if (!file_priv->minor->master)  in drm_dropmaster_ioctl()
217 	drm_master_put(&file_priv->minor->master);  in drm_dropmaster_ioctl()