tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: a8c621aa031669a6835da1431d9765e3bbbc3621 commit: 050383882de382969e4fb8362235749b232cccae [3106/3106] bpf: support BPF_PROG_QUERY for progs attached to sockmap config: x86_64-buildonly-randconfig-2003-20250806 (https://download.01.org/0day-ci/archive/20250807/202508070532.sG3pOJWR-lkp@i...) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250807/202508070532.sG3pOJWR-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202508070532.sG3pOJWR-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

net/core/sock_map.c:1501:5: warning: no previous prototype for 'sock_map_prog_lookup' [-Wmissing-prototypes] 1501 | int sock_map_prog_lookup(struct bpf_map *map, struct bpf_prog ***pprog, | ^~~~~~~~~~~~~~~~~~~~

vim +/sock_map_prog_lookup +1501 net/core/sock_map.c 1500

1501 int sock_map_prog_lookup(struct bpf_map *map, struct bpf_prog ***pprog, 1502 u32 which) 1503 { 1504 struct sk_psock_progs *progs = sock_map_progs(map); 1505 1506 if (!progs) 1507 return -EOPNOTSUPP; 1508 1509 switch (which) { 1510 case BPF_SK_MSG_VERDICT: 1511 *pprog = &progs->msg_parser; 1512 break; 1513 case BPF_SK_SKB_STREAM_PARSER: 1514 *pprog = &progs->skb_parser; 1515 break; 1516 case BPF_SK_SKB_STREAM_VERDICT: 1517 *pprog = &progs->skb_verdict; 1518 break; 1519 default: 1520 return -EOPNOTSUPP; 1521 } 1522 return 0; 1523 } 1524

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki