--- zzzz-none-000/linux-4.4.271/include/uapi/linux/if_pppox.h 2021-06-03 06:22:09.000000000 +0000 +++ maple-fsgw-759/linux-4.4.271/include/uapi/linux/if_pppox.h 2023-12-20 10:37:38.000000000 +0000 @@ -47,6 +47,7 @@ */ struct pptp_addr { __u16 call_id; + __u16 pad; struct in_addr sin_addr; };