1 /* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */ 2 #ifndef CONTAINER_OF_H 3 #define CONTAINER_OF_H 4 5 #ifndef container_of 6 #define container_of(ptr, type, member) \ 7 (type *)((char *)(ptr) - offsetof(type, member)) 8 #endif 9 10 #endif 11