../drivers/net/ppp/pppoe.c: note: in included file (through ../include/linux/if_pppox.h): ../include/uapi/linux/if_pppox.h:153:29: warning: array of flexible structures ../drivers/net/ppp/pppoe.c: note: in included file (through ../include/linux/if_pppox.h): ../include/uapi/linux/if_pppox.h:153:29: warning: array of flexible structures