224 	void __user *ukey = u64_to_ptr(attr->key);  in map_lookup_elem()
228 	void *key, *value, *ptr;  in map_lookup_elem()  local
241 	key = kmalloc(map->key_size, GFP_USER);  in map_lookup_elem()
242 	if (!key)  in map_lookup_elem()
246 	if (copy_from_user(key, ukey, map->key_size) != 0)  in map_lookup_elem()
255 	ptr = map->ops->map_lookup_elem(map, key);  in map_lookup_elem()
273 	kfree(key);  in map_lookup_elem()
283 	void __user *ukey = u64_to_ptr(attr->key);  in map_update_elem()
287 	void *key, *value;  in map_update_elem()  local
300 	key = kmalloc(map->key_size, GFP_USER);  in map_update_elem()
301 	if (!key)  in map_update_elem()
305 	if (copy_from_user(key, ukey, map->key_size) != 0)  in map_update_elem()
321 	err = map->ops->map_update_elem(map, key, value, attr->flags);  in map_update_elem()
327 	kfree(key);  in map_update_elem()
333 #define BPF_MAP_DELETE_ELEM_LAST_FIELD key
337 	void __user *ukey = u64_to_ptr(attr->key);  in map_delete_elem()
341 	void *key;  in map_delete_elem()  local
353 	key = kmalloc(map->key_size, GFP_USER);  in map_delete_elem()
354 	if (!key)  in map_delete_elem()
358 	if (copy_from_user(key, ukey, map->key_size) != 0)  in map_delete_elem()
362 	err = map->ops->map_delete_elem(map, key);  in map_delete_elem()
366 	kfree(key);  in map_delete_elem()
377 	void __user *ukey = u64_to_ptr(attr->key);  in map_get_next_key()
381 	void *key, *next_key;  in map_get_next_key()  local
394 	key = kmalloc(map->key_size, GFP_USER);  in map_get_next_key()
395 	if (!key)  in map_get_next_key()
399 	if (copy_from_user(key, ukey, map->key_size) != 0)  in map_get_next_key()
408 	err = map->ops->map_get_next_key(map, key, next_key);  in map_get_next_key()
422 	kfree(key);  in map_get_next_key()